Features
Respect the virus!
BY Dr. Nimesh Rajapaksa
Let us start respecting the virus at least now. Boastful statements and media circuses will not help get rid of it. No country has been spared. Bigger and more powerful countries than us have been brought to their knees by it. The countries and States that were held as lighthouses of COVID control had to eat humble-pie within months.
Swift and decisive action taken by the President, the Armed Forces, the Public Health and Hospital staff from March to June protected us. We should ensure that the economic hit that we have taken so far should not be in vain. What can we learn from the current outbreak and what should we do?
Did it leak from the airport? Faulty quarantine? Introduced purposefully? Or is there a less dramatic, but a more concerning explanation?
Looking at what happened elsewhere in the world can give us insights. In the initial stage, around March and April this year, there was an explosion of cases and deaths in many countries in Europe and in the US. Evidence is now accumulating that this virus started circulating in these countries three or more months before this happened. Even in initially successful countries such as Australia, New Zealand and Vietnam (including Sri Lanka), mostly unexplained eruptions of cases occurred after 2-3 months of no indigenous cases being reported.
A conclusion that can be drawn from this is that the virus can circulate in the population causing no symptoms or causing minimal symptoms that people ignore for some time. This is borne out even in Sri Lanka where the vast majority of those diagnosed as harbouring the virus having no symptoms or minimal symptoms. Going by news reports, even though over 1,000 workers were infected in the factory at the epicentre of the current outbreak, only a proportion of them displayed symptoms, and only a handful needed hospital admission before it was diagnosed as COVID 19.
When a sufficiently large number say 100,000 in a population is infected, everyone begins to see that it is here. When it reaches such a figure, even if only 1% need intensive care, there will be around a thousand in ICUs. If the mortality even as low as 0.1% (one in one thousand), one hundred people would have died.
These figures are just for illustrative purposes and there are many technical aspects to consider and formulae to be used in such estimations. Mind you, official figures will not show the hundred thousand, because all of them would not have been tested.
For the virus to appear out of nowhere, the virus needs to be circulating in groups that will not show much symptoms, mainly in the younger and fitter people. When it reaches vulnerable groups, such as very old people or those with other conditions, we see hospitalizations.
This is assuming that it is suspected and diagnosed in hospitals. We may have been very lax during the previous three months even on this. In some hospitals even sending a routine PCR sample for surveillance purposes created a major stir, which discouraged the process.
A place where people work in relatively close quarters, regularly, for very long hours and then live in very close quarters in hostels, is an environment where respiratory viruses thrive. Overworked, tired and stressed employees who presumably possess less immunity would also make the virus very happy.
Since we have not been shown of a convincing explanation on how this started, we should not be blind to other other possibilities. If it cannot be proved that the virus was not imported directly to the factory which is at the epicentre of the current outbreak, we have to consider if it was circulating in a small scale outside and suddenly found the ideal nesting ground. It is a very concerning possibility that we should look at carefully.
However, we should also bear in mind that these conditions are ideal even for an accidental leak to this factory from faulty quarantine or any other way. This write-up is not intended to shift the culpability of what happened from anyone. It intends to look at other possibilities that we should guard against.
If this outbreak originated at this premises, we are on much better grounds to control it than in the case of it coming inside from an active asymptomatic chain in the community.
Although there were no reported cases of non-imported COVID in Sri Lanka for a relatively long period of time, there is the theoretical possibility that there could have been low-grade, asymptomatic or mildly symptomatic, and undetected chains of infection during this time.
The real-world sensitivity of the RT-PCR test for detecting the virus is 70-80%. It is much higher in controlled conditions. This means that it can identify 70-80 persons out of 100 persons that are actually having the virus in routine testing.
So, for every one hundred tested we will miss around 20. This is a crude generalization for explanatory purposes. The real technical aspect of this is more complex and nuanced and there are approaches to minimize this. Though a person is even tested three times, there is a statistical possibility of missing positive cases. Compounding this is the behaviour of the virus – the vast majority of those infected and capable of spreading it does not even know that they are infected.
By mid July, the country started working as before, public events were in full swing, and the usual unacceptable overcrowding of public transport and public offices became the norm again. Mask-wearers were rare as wings upon cats. Shows and religious gatherings were the norm rather than the exception.
Amidst this, the Kandakdu outbreak occurred in early July. By the second week of July, the election campaigns were in full swing. This was in the backdrop of infections linked to the Kanakadu cluster being identified in many parts of the country.
If there were a few low-grade chains of infections around, however small and remote, the election campaigns (of all the political parties) would have been ideal foil for amplifying the spread. The campaigning in earnest began around the 20th of July or just before. Large public gatherings with minimal precautions were seen throughout the country. This sense of normality was broadcast unfettered in the media adding to the complacency.
The Ministry of Health has gone on record that the symptoms began to appear in the affected factory around the 20th of September. The virus would have been in circulation in the factory since early September at least, for symptoms to appear by then. Early September is around 6 weeks (three incubation periods) from mid July. Theoretically, if the amplification of the spread occurred during the campaign period, this time line fits for an eruption to occur.
Let us hope that this is not what really happened. If it is true, there can be many other yet-unseen, low-grade chains of the virus spreading without being detected. One more reason to wish that this is not the case is that permission was given quite recklessly to conduct the Book Fair.
This attracted tens of thousands of people daily to gather in a relatively small area and the 18th to 27th of September. All this time, the Minuwangoda cluster was raging undetected and infecting thousands.
Many young people from all parts of the county mingled there daily and went back to their homes and hostels. There could have been many with the virus there, not knowing they had it. One can argue that the elections gatherings were local affairs, and if any chains were active these would be limited to their localities. This does not hold true for the Book Fair.
If another amplification happened there, we will only see the results in mid to late November or early December. Hopefully if any chains were started or amplified during this period they will be detected through intensified surveillance that will follow because of current outbreak. Such chains will appear as unrelated, unexplained clusters, which we may be seeing even now.
So what can be done now apart from the standard advise given to the public?
First, we should start respecting the virus and bring down our ego several notches. Respect does not mean fear, spinelessness or subjugation. We have accepted that we were lax, which is an excellent start.
We should also immediately start assuming that community spread has begun. This is the only way to prevent community spread if it is not taking place, or controlling it if it is occurring.
Most importantly, we should demystify and de-stigmatize the illness. Those infected with the virus are not to blame. Those who had infected others at workplaces and weddings have done so unknowingly. They are victims. Victims of those responsible for controlling the virus, who took their eyes off the ball. Victims of lobby groups that kept pushing for loosening restrictions to keep profiteering as before.
Public support will continue to dwindle if high-handed, uncaring and insensitive action continue to take place “against” such victims who are infected, and those who were exposed.
If the economy is to be protected, we should not allow events or activities that can amplify the spread without giving much economic benefits. Some examples are sports, concerts, events such as weddings, parties and funerals, religious gatherings, university and other higher education activities, tuition classes, continued operations of saloons, spas etc. Each day that we procrastinate, is a day of joy to the virus
We should also seriously consider shutting down the entire epicentre area. There are thousands of more factories and millions of jobs outside this zone. We should not jeopardize all these by obstinately continuing as before within this zone, for a few to profit at the expense of many. Short term pain is much more preferable to long-term agony.
We can minimize crowding in public transport as we did earlier. All institutions should have a business continuity plan – making sure all employees are not exposed at once to any person or group with the virus. Public and private institutions should not have to involuntarily cut down their activities due to unforeseen exposure of staff. It will be much graver than a controlled slowing down according to a plan, operating with minimum staff and dividing staff into groups. This is nothing new. We did all of this only a few months ago.
There is more action that can be taken, although it may not be politically palatable or acceptable to businesses. The businesses that have made huge profits in the past, but refuse to pay their employees and pretend that they will collapse if closed for two weeks.
We should also realize the less effective action. For example, most of the infected do not show symptoms. Therefore, checking temperatures (even correctly) has only a small protective value although it has a large symbolic value.
Through all this, we have been shown very clearly that people should be treated as people. Not “human resources”. Resources are there for exploitation for profit. This is exactly what seems to have happened at the epicentre. It may still be happening. If the workers were treated as humans, this outbreak would have been detected much earlier. Things would have been back to normal by now.
Features
‘Lord Edgware Dies’
It has been some time since I read an Agatha Christie, the plot of which I cannot remember. So, I was delighted to find on the shelves of a friend Lord Edgware Dies, which I had a vague memory of, but no certainty about who had done it.
When I read it, I found that my memory of who was probably the killer was correct, but I could not be certain and the red herrings Christie threw in were so diverting that until almost the very end I wondered if I had been wrong.
The plot is very simple. Jane Wilkinson, who is married to Lord Edgware, tells him that she is desperate for a divorce since she is in love with a very proper Anglo-Catholic peer, Lord Melton, but Edgware refuses to divorce her. She asks Poirot to talk to him, which he does, and is surprised to find that Edgware has told Jane he is prepared to give her a divorce. This was, after he had categorically refused, through a letter, which Jane said she had not received.
That night Edgware is murdered, after Jane had been to see him, or so the butler said, and also Edgware’s secretary. But Jane had been that evening at a grand dinner many miles away, where a dozen fellow guests could swear to her presence.
There was a solution however to the mystery of two Jane Wilkinsons, namely a skilful impersonator called Carlotta Adams who, in the opening chapter had impersonated Jane Wilkinson, who had also been at the performance. But when Poirot goes to see her, he finds that she had been found dead on the morning after Edgware had been killed, of an overdose. And in her bag was a gold case, with a strange inscription, that contained the drug, along with a pair of pince-nez.
Her maid said she had written a letter to her sister in America and posted it the previous night. Poirot asks Inspector Japp to get the letter, and a transcript is received from America, and in it the name of Edgware’s nephew Ronald Marsh is mentioned; he had taken Carlotta to dinner after her performance, with which the book opens, and had then set her a challenge. Japp arrests Marsh, but Poirot is not happy and asks for the original of the letter, which the sister sends him. That shows that a page is missing, and the tear is obvious, though that raises the question as to why it had not simply been cut.
Matters are further complicated by the fact that Marsh had gone in a taxi to the Edgware house, along with Edgware’s daughter Geraldine, in the interval of an opera which had previously seemed to provide them with cast iron alibis. Geraldine had gone in to fetch her pearls so that Marsh could raise money he needed, and thus had an opportunity to kill Edgware, as did Marsh, for the driver said he had got out of the taxi while waiting and gone into the house.
Marsh explained why he had gone to the house on the night of the murder as having followed Bryan Martin, an American actor, who had been in love with Jane, whom he saw go into the house with a key. But there was no one visible when he entered, and Geraldine almost immediately came down and they left together. And Martin too has become an object of suspicion to Poirot, for he had been to see him before the murders were discovered with a story of being followed by a man with a gold tooth – a story Poirot immediately realized was false when he was asked how old the man was, and was told he was young, for young people did not have gold teeth.
A heap of French money Edgware had got for a trip to Paris was missing, but since Marsh had no need for it after his cousin’s offer of help, Poirot deduces that it must have been taken by the butler, who has disappeared. Christie has stressed that he is astonishingly handsome, unusual in a butler, and Poirot notes a resemblance to Martin, so he thinks the mysterious man going into the house must have been him.
Incidentally, later Poirot assumes that Edgware’s change of mind was because he was involved in some scandal, and I believe Christie intends us to see the cause of this in his handsome butler, though this is not specified.
Meanwhile, Poirot has asked Japp to find out the provenance of the case found in Carlotta’s handbag, and it turns out to have been made in Paris, specially commissioned, and collected by a woman with pince-nez.
But then another murder occurs—that of another guest at the grand dinner, which provided Jane with her alibi. The victim is an actor who had been bemused when Jane, at a lunch, thought the Judgment of Paris referred to the city. He told Hastings he wanted to see Poirot, but was killed before he could get to the appointment. Poirot had rushed there when told about his request, but it was too late.
Meanwhile, Poirot has tried out the pince-nez on Edgware’s secretary, but she could not see through these. It was only a chance remark heard outside the theatre that led him to try them out on Wilkinson’s maid Ellis, a spare pair that had been appropriated for the night of the murders.
Poirot then lays things out, having summoned Martin and told him that he probably suppressed Edgware’s letter, as he had been dropped by then and he did not want Jane to marry another. But after teasing Martin, Poirot says that Jane was in fact the murderer, and she got Carlotta to impersonate her at the dinner while she went to the house and killed her husband. After meeting Carlotta later and checking with her through a call that she had
not been rumbled, Jane had gone ahead with the murder – she put veronal into her drink and the case with veronal into the handbag. She forgot to take out the pince-nez she had used earlier to imitate an American. Carlotta had registered as the American in a hotel and Jane had gone to see her, and there they exchanged identities. After seen the letter, she made use of it by tearing off the page that referred to her, and the S of She, so that the person who had challenged Carlotta to impersonate her seemed to be a man.
There is a coda in which Jane, condemned to death, writes to Hastings, still full of pride at her ingenuity hoping she will be remembered.
Features
Desilt reservoirs, learn from our ancient irrigation systems
by Prof. O. A. Ileperuma
Silting of reservoirs is a major problem today affecting our hydropower production and irrigation systems. The main Mahaweli reservoirs are silted to a considerable extent reducing the water holding capacity of them. Due to poor soil management practices, floodwaters deposit large amounts of silt in these reservoirs. When the Polgolla reservoir was fully drained about two years back, one could see mountains of silt in the lower reaches of the reservoir. A rough estimate is that 50% of the total capacity of these reservoirs has been lost to siltation. This is a serious issue which affects not only power and agriculture but also flood control.
Our ancient irrigation systems ensured that desilting of reservoirs took place under royal decree where all users of the reservoirs were ordered to carry out desilting of reservoirs during the dry season. The clay thus collected was used in making bricks for the construction of great stupas which dot the landscape of our ancient kingdoms. This ensured that the reservoirs had their full capacity filled with water for the next cultivating season. Our ancient kings were clever enough not to construct reservoirs by blocking main rivers such as the Mahaweli. A classic example is the Minipe left canal where they tapped only the surface water of Mahaweli. Even the bigger tanks such as Nuwara Wewa and Parakrama Samudraya were fed with minor rivulets. There were also other ingenious features in the cascade irrigation systems built by the ancient kings, such as mud sluice canals and forest reservations between the reservoirs in the cascade system. These reservations helped trap silt and remove excess nutrients, which could otherwise contribute to increasing salinity as water flowed from one reservoir to another.
- Parakrama Samudraya
- Kalawewa
- Kotmale
A classic engineering marvel is the former Yoda Ela, which carries water from Kalawewa to Nuwara Wewa and Tissa Wewa. It is 87 km long although the straight distance between these points is only about 40 km. The gradient of this canal is about 10 cm per km or 6 inches per mile. Yodha Ela functions as a moving reservoir and feeds about 4,600 hectares of paddy lands. It is a winding canal with about 120 smaller reservoirs on its way. It was constructed during the reign of King Dhatusena around 459 AD and later expanded by King Parakramabahu by connecting more reservoirs to the network. Unfortunately, during the Mahaweli project our modern-day engineers constructed a concrete canal replacing the winding path of this Yoda Ela also called Jaya Ganga. This effectively removed the ability of the old Yoda Ela to remove silt and nutrients. The bank of this Ela has wet zone trees such as jak and areca nut growing well. They take up the nutrients from the flowing stream making the water suitable for irrigation later.
Ancient Mesopotamian civilisations depended on dams constructed along the two main rivers, Euphrates and Tigris. After continuous irrigation of their fields over several thousand years, salinity of the irrigated lands increased making them unsuitable for agriculture. People died due to famine and this clearly illustrates the danger of blocking main rivers for agriculture. There is scientific evidence that the salinity of paddy soils in the Mahaweli C area is increasing.
We saw the devastation caused by Cyclone Ditwah. The sluice gates of the Kotmale Reservoir were opened, and Kandy and Peradeniya were flooded. If the reservoir had had greater storage capacity, couldn’t the opening of the gates have been delayed? This may not be an argument that modern-day engineers would readily accept, and I am not an irrigation expert. These ideas may well be naïve. But most of us tend to think of reservoirs mainly in terms of hydropower generation and irrigation, while their role in flood control receives much less attention. The question therefore deserves serious consideration. Could restoring lost reservoir capacity through desilting help improve our ability to manage extreme rainfall and reduce flood risks?
Desilting our reservoirs should be considered a national priority.
Features
Losing out to Ethiopia
Export diversification – Missing the wood for the trees – Part III
by Gomi Senadhira
In Sri Lanka, the word “Ethiopia” is often used as disparaging slang to describe individuals or areas experiencing extreme poverty, starvation, or severe economic hardship. This linguistic habit originated in the 1980s with the Western media coverage of the devastating Ethiopian famine of 1983-85. That media coverage shocked the world but also left an outdated and offensive global stereotype that the country is permanently starving. Much has changed since then. By now, with an annual growth rate of around 9%, it is the fastest-growing economy in sub-Saharan Africa. Ethiopia has also emerged as a highly competitive exporter and is challenging not only its competitors in the region but also countries like Sri Lanka. This article is on how Sri Lanka has lost ground to Ethiopia (and a few other countries) in the GCC markets for agricultural and floricultural products.
Sri Lanka – A Pioneer in the Agriculture and Floricultural Market in the GCC
As discussed in Part II of this article, by the mid-1980s Sri Lanka had established a strong foothold in the GCC’s fruit, vegetable, and floricultural market. Geographical proximity and well-established shipping and air links gave Sri Lanka a strong comparative advantage over Southeast Asian and African nations. Thailand, Vietnam, and Kenya were not even in the market. At that time, Ethiopia was experiencing (as BBC news reports described) “a biblical famine”.
The market was not very large, but it was lucrative and growing. Trade Minister Lalith Athulathmudali as well as the Chairman of the Export Development Board, Victor Santiapillai, who visited Kuwait (and the GCC countries), recognised the market potential for these products and encouraged us to continue with our work. The minister was particularly keen to further develop links between the market for these products, exporters, and his Export Production Villages (EPVs). So, it was becoming a successful case not only for export diversification but also for transferring gains from exports directly to rural households.
From Trailblazer to Tailender
As a result, even by the beginning of this century Sri Lanka had a larger market share than most of its competitors from Asia or Africa. But since then, our competitiveness has weakened significantly. The tables below provide a comparative snapshot of Sri Lanka’s performance vis-à-vis Thailand, Vietnam, Kenya and Ethiopia in the GCC market for vegetables, fruits and floricultural products. As illustrated therein, in 2001 Sri Lanka was ahead of Thailand, Kenya and Ethiopia in this small but rapidly growing market. Since then, we have fallen behind Thailand, Kenya and many other countries in that lucrative market. If this trend continues, Sri Lanka will fall behind Ethiopia within the next few years. (See Table 1)
In the GCC market for vegetables (covered in HS chapter 07), Sri Lanka was ahead of most other competitors in 2001. As illustrated in Table 1 , Sri Lanka had failed to develop this market, while Thailand, Kenya, and even Ethiopia had very efficiently increased their market shares. The GCC is a market to which Sri Lanka can supply some vegetables, like cabbages, by sea. It appears Sri Lanka had also failed to exploit this mode of supply.
We can see a similar trend in the market for fruits. Vietnam, Kenya, and Thailand have emerged as major players, while exports from Sri Lanka have staggered on slowly. In this segment, Vietnam has emerged as a leading player during the last twenty years and the GCC imports from Viet Nam have shot up from US$44 thousand in 2001 to US$346 million by 2024. In part one of these articles, I discussed the remarkable increase of jackfruit exports from Vietnam “…just $3 million in 2015 to an impressive $236.8 million in 2023” while most of our jackfruit production rots under the trees. This explains how countries develop their markets, geographically and product-wise. (See Table 2)
Sri Lanka’s performance has been weakest in the market for floricultural products (HS Chapter 06), which groups live trees, cut flowers, and ornamental foliage. When we first entered the market in the 1980s, the market was dominated by the Netherlands, and Kenya and Ethiopia were not even in the market. At that time, we identified the Gulf states as a market where Sri Lanka could have a dominant presence due to geographical proximity. Even in 2001, Sri Lanka was ahead of Kenya, Ethiopia, and Thailand. But by now, Kenya has emerged as the dominant supplier. Ethiopia is also expanding its market share and is the third-largest exporter. (See Table 3)
Missing the Wood for the Trees
In the mid-1980s, Sri Lanka first established its foothold in the GCC market. Since then, Thailand, Vietnam, Kenya, and even Ethiopia have moved well ahead of us and have become leading players. Why did we lag behind in our export diversification efforts in general and, more particularly, in the GCC market?
The reasons are very clear. After the initial attempts in the 1980s and early 1990s, Sri Lanka has not been proactively involved in identifying, developing, and promoting new products and markets, or protecting and further developing new markets already established. The focus has simply been on traditional exports: tea, coconut, cinnamon, and garments, while other products were almost ignored. In essence, we have been and continue to focus intensely on a narrow group of products and markets, and we have lost sight of the bigger picture.
(The writer can be reached at senadhiragomi@gmail.com)
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