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Prof Malavige predicts dengue will get worse with climate change unless…
By Rathindra Kuruwita
The impact of dengue will probably get worse due to climate change, Professor Neelika Malavige of the Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura and Head of Dengue Global Programme and Scientific Affairs, Drugs for Neglected Diseases Initiative (DNDi) has said recently at a conference organized by DNDi in Thailand.
The conference was held in parallel to the 20th International Congress for Tropical Medicine and Malaria (ICTMM). DNDi is a non-profit drug research and development (R&D) organization that is developing new treatments for neglected diseases like dengue.
Professor Malavige said that as the world got warmer, dengue would spread to Europe and North America. She added that dengue fever had become increasingly common in recent decades worldwide with around 390 million infections occurring each year. Climate change had been identified by WHO and other national, and international health authorities as one of the primary causes of the global spread of dengue fever and other Aedes aegypti-transmitted viral infections, she said.
“The weather has an impact on vector-borne illnesses. Rainfall and ambient temperature are referred to as macro factors that influence dengue since they directly impact Aedes aegypti population density,” Prof. Malavige said.
The population density of Aedes aegypti declines when the average temperature is lower.
“The larval development time, larval and adult survival, and duration of the gonotrophic cycle of the dengue vector are directly affected by climatic factors such as ambient temperatures, rainfall, and relative humidity. Vectors are increasing due to increasing temperature. As temperature increases the mosquitoes mature faster, giving them more time to spread the disease,” she said.
On the other hand, increasing population, lifestyle changes and uncontrolled urbanization are also reasons for the rapid global spatial spread of dengue, she said.
“Risk factors like obesity, and diabetes are also increasing among the people. Those with these diseases are more likely to suffer from more serious forms of dengue.”
Doctors and medical administrators in countries with dengue were efficient in managing the disease and this explains why the mortality is lower. However, when there was an overload of cases, the system monitoring and evaluating dengue patients for severity suffers because keeping an eye on each patients becomes an impossibility, Professor Malavige said. “There is a shift in the age of those who get infected. Earlier it was a disease that children got. Now you can find patients from all age groups,” she said.
Commenting on attempts to develop a vaccine for dengue, most recently by Takeda Pharmaceutical Company, Professor Malavige said that the data available looked promising. The vaccine could be soon registered in Latin America and Asia. The current data shows that it reduces hospitalization by about 80%. This is similar to the effectiveness of COVID vaccine, although long term safety data for a dengue vaccine is needed for all serotypes. However, it is unfortunate that there is not yet a designated treatment for dengue.
“Dengue is a disease of the low income countries. Infection of the developing world. Each year hundreds of millions of people are affected by dengue but there is still no treatment for it. Would we have a vaccine so fast if COVID too was a disease of the low income countries? The amount of research done on COVID for the last two years is immense. Not even 10% of the research volume has been directed for dengue. There are not enough funds for dengue research. Global North has done some research but the researchers are far away from the disease. The perspective will be different if they too had to live with dengue,” she said.
Dr. Isabela Ribeiro, Viral Diseases Cluster Director, DNDi said that countries of the Global South must cooperate with each other to find a cure for dengue. There are a number of pharmaceutical powerhouses in the Global South and they can work together to find a cure, she said.
“The World Health Organization’s (WHO) report on neglected tropical diseases, ‘A road map for neglected tropical diseases 2021–2030’ does not mention a treatment for dengue. Their focus is on vaccines and vector control,” she said.
Meanwhile, Jean-Michel Piedagnel, South-East Asia Director, DNDi said that while taking steps to prevent dengue, from vector control to using mosquito repellant was important, it should not be allowed to mask the fact that there was no treatment.
“There is no treatment because there is not enough funding. We must not forget that. Each year hundreds of millions are affected by dengue. They deserve treatment,” he said.
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Gul, Kharote spin Afghanistan to victory over Japan in Asian Games opener
Right-arm wristspinner Arab Gul, took 4 for 8 on T20I debut and left-arm spinner Nangeyalia Kharote picked up 3 for 19 as Afghanistan successfully defended a modest 129 against Japan to open their Asian Games men’s competition campaign with two points in Group A.
Two days after nearly beating India in a rain-shortened game in Sano, hosts Japan made a steady start to the chase and reached 53 for 2 in the eighth over before losing their way.
Gul did much of the damage, taking two wickets apiece in the 12th and 14th overs as Japan slid from 60 for 4 to 63 for 8. Abdollah Ahmadzai and Kharote then finished off the lower order, with Japan bowled out for 81 in 19.3 overs.
Asked to bat first, Afghanistan had posted 129 for 6, with Mohammad Akram making 34, captain Darwish Rasooli 29 and Karim Janat 21.
But it was Mohammad Ishaq’s unbeaten 25 off 17 balls from No. 6 that provided the late impetus after Japan had kept Afghanistan to under six an over for the first 15 overs. Right-arm seamer Shoma Sugaya-Slater and offspinner Ibrahim Takahashi took two wickets apiece for Japan.
The two sides have games against Nepal lined up in Group A. The top two teams from the group will proceed to the quarter-finals.
Scores:
Afghanistan 129 for 6 in 20 overs (Mohhamad Akram 34, Karim Janat 21, Darwish Rasooli 29, Mohammad Ishaq 25*; Reo Sakurano Thomas 1-05, Shoma Sugaya-Slater 2-18, Ibrahim Takanashi 2-19) beat Japan 81 in 19.3 overs (Reo Sakurano- Thomas 23, Kendel Kadowwaki Fleming 14, Benjamin Ito Davis 17; Arab Gul 4-8, Abdullah Ahmadzai 2-13, Nangeyalia Khan 3-19, Najibullah Zadran 1-07 ) by 48 runs
(Cricinfo)
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BASL calls for conscience vote on 22nd Amendment
The Bar Association of Sri Lanka (BASL) yesterday called on all political parties, represented in Parliament, to allow their members to vote on the proposed 22nd Amendment to the Constitution according to their conscience, stressing that the responsibility for deciding whether the Bill should be enacted now rests with Parliament.
In a statement issued after the Supreme Court’s determination on the 22nd Amendment Bill, BASL President Rajeev Amarasuriya and General Secretary Nalin de Silva have said the SC’s determination should not be interpreted as an endorsement of the proposed constitutional amendment as a matter of policy.
The BASL has said the SC’s jurisdiction, under Articles 120, 121 and 123 of the Constitution, was to determine the constitutional requirements for the enactment of the Bill, including whether the Bill, or any of its provisions, required approval at a referendum under Article 83.
“The determination is therefore not a determination as to whether the proposed amendment is good or bad policy, desirable or undesirable, wise or unwise, or whether Parliament ought to enact it,” the BASL said.
Full text of the BASL statement: The Supreme Court has now delivered its Determination on the Twenty-Second Amendment to the Constitution Bill and determined that the Bill does not require the approval of the People at a Referendum.
In terms of Articles 120, 121 and 123 of the Constitution, the jurisdiction of the Supreme Court in relation to the Bill is to determine the constitutional requirements for its enactment, including importantly whether the Bill, or any provision thereof, requires the approval of the People at a Referendum by virtue of Article 83.
The Determination is therefore not a determination as to whether the proposed Amendment is good or bad policy, desirable or undesirable, wise or unwise, or whether Parliament ought to enact it.
This distinction is also evident from Sri Lanka’s previous constitutional amendments. During the 48 year history of the second republican Constitution there have been many amendments which passed constitutional muster but nevertheless had a negative effect on democracy, constitutionalism, the independence of the judiciary and the rule of law.
The question that now arises is whether Parliament ought to enact the proposed Amendment. That responsibility rests with Parliament and with each individual Member of Parliament when they vote on the Bill.
In making that decision, Members of Parliament should be mindful of the possible and probable consequences the 22nd Amendment will have on our nation. They should also consider the lack of transparency and a proper consultative process in the introduction of the 22nd Amendment. As representatives of the people they should also consider the concerns that have been expressed in relation to the proposed Amendment by a broad cross-section of society including the Maha Nayakes of the Three Nikayas, the Catholic Bishops’ Conference in Sri Lanka, the Church of Ceylon, the Bar Association of Sri Lanka, the Judicial Service Association, the Commonwealth Lawyers Association, LAWASIA, the International Association of Judges, the United Nations Special Rapporteur on the Independence of Judges and Lawyers, the French National Bar Council, and more than 40 Professional Associations and Unions, including the Government Medical Officers’ Association and other leading professional bodies.
Accordingly, the Bar Association of Sri Lanka calls upon all the political parties in Parliament to allow the Members of Parliament to speak and vote on the 22nd Amendment according to their conscience.
The responsibility now lies with Members of Parliament, when called upon to vote, to take a principled position according to their conscience giving due consideration to their constitutional responsibility, their representative capacity and most importantly their duty to the sovereign People of Sri Lanka.
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IMF: Sri Lanka on course for 2027 market return
SL to regain access to international financial and capital markets next year in line with IMF projections
Sri Lanka is on course to regain access to international financial and capital markets around 2027, in line with the International Monetary Fund’s (IMF) current economic projections, IMF Mission Chief Evan Papageorgiou said yesterday.
Papageorgiou said the IMF’s core assumptions under Sri Lanka’s economic programme continued to envisage the country returning to international capital markets in 2027.
“Our previous assumption that Sri Lanka will go back to capital markets still stands. We still have a good trajectory to achieving this in 2027 or thereabouts, and that should be the goal,” he said.
Papageorgiou stressed that Sri Lanka could not rely solely on domestic sources of financing to build long-term economic resilience and would need a diversified funding strategy.
“Every country needs to have a good ability to access funds both in domestic markets, as it already has, as well as international markets for eurobonds and other modes,” he said.
He said a return to international capital markets would have significant implications for Sri Lanka’s external debt composition, while strengthening foreign exchange reserves would remain essential as the country prepares to meet future debt-servicing obligations.
The IMF’s assessment comes amid improving international investor sentiment towards Sri Lanka and positive developments in the country’s sovereign credit ratings.
Papageorgiou cited Fitch’s recent upgrade of Sri Lanka’s credit rating as a positive development, saying global investors were increasingly viewing the country from a more constructive perspective.
Sri Lanka remains under the IMF’s Extended Fund Facility (EFF) programme, which is scheduled to continue until March 20, 2027. Regaining access to international capital markets remains a key milestone under the country’s broader economic recovery.
The IMF has stressed the importance of rebuilding Sri Lanka’s foreign exchange buffers and maintaining stability in domestic financial markets as the country approaches substantial external debt repayments.
A sustained improvement in these areas would help strengthen the country’s capacity to return to international markets while safeguarding macroeconomic stability, the IMF has indicated.
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