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Even four months after first jab antibodies generated by Covishield vaccine remain active – expert

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By Rathindra Kuruwita

A significant amount of antibodies created by the Covishield COVID-19 vaccine remained even 16 weeks after receiving the first jab, Dr. Chandima Jeewandara of the Allergy, Immunology and Cell Biology Unit, Department of Immunology Molecular and Molecular Medicine of the University of Sri Jayewardenepura said yesterday.

“We studied this because it was a serious issue due to hundreds of thousands of people have not received the booster doses yet. Our research shows that a significant amount of antibodies remains in those who received the first dose. This is good news and I think we can give them the second dose. But we have to conduct tests.”

Dr. Jeewandara said they would soon release a report on antibodies that developed due to the Sputnik-V vaccine, and a similar report on the Moderna vaccine too would be released in a month or two.

Dr. Jeewandara said that 500 Sputnik-V recipients and 600 Moderna recipients were being studied.

Commenting on a recent study by the department on the development of antibodies by those given the Sinopharm vaccine where it was found that vaccine induced antibody responses in over 95% of individuals, similar to levels seen following natural COVID-19 illness, Dr. Jeewandara said that the study had addressed a key concern people had about Sinopharm.

“One of the biggest problems is that we have little data on Sinopharm. This study tries to fill that,” he said.

Dr. Jeewandara said that the university had started measuring efficacy and antibodies from vaccines since Sri Lanka started administering them. The first vaccine they started studying was Covishield, he said.

“Let me explain the process. We take a blood sample before vaccination. We do that to identify antibody levels before vaccination. In Sri Lanka most people who contract COVID19 don’t develop symptoms. So we do this as a baseline blood test. Then we get a second sample before the second jab is given and a third sample at a time the manufacturer recommends as the best time to check antibodies.”

In the case of Sinopharm, the third sample was taken two weeks after the second jab. The researchers look at the level of antibodies and T-cell response because they are the two main tools to fight or prevent the virus or prevent serious illness, he said. A person can either get antibodies from contracting the virus or through vaccination, Dr. Jeewandara said.

“These are not efficacy tests. Efficacy is measured in a controlled clinical trial and is based on how many people who got vaccinated developed the ‘outcome of interest’ (usually the disease) compared with how many people who got the placebo (dummy vaccine) developed the same outcome. What we did was to test antibodies but this hints at vaccine efficacy too. Immunity and protection tend to be similar in both tests.”

Dr. Jeewandara said that Sri Lanka was an interesting case study because most Sri Lankans were genetically similar and that one variant usually dominates the country. However, Sri Lanka used several vaccines, giving the country an excellent opportunity to find out what vaccine was best.

“We also studied Covishield and over 90% of people vaccinated with it had developed antibodies,” he said.



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The use of local organic Agricultural products in the Bakery Industry will strengthen both local farmers and the tourism industry – PM

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Prime Minister Dr. Harini Amarasuriya stated that the use of local organic agricultural products in bakery production would provide significant support to both local farmers and the growth of the tourism industry.

The Prime Minister made these remarks while addressing the Annual meeting of the All Ceylon Bakery Owners’ Association, held at the Shangri-La Hotel, Colombo, on Friday (12 June).

The Prime Minister  stated,

“At a decisive moment when the country is moving towards a new phase of economic transformation, I believe that the bakery industry has the potential to become a key driver of the national economy, rather than remaining limited to flour-based products alone.

The food production must be mainly considered the quality and safety of food. Therefore, instead of focusing solely on taste, we should introduce nutritious and healthy products to the market that are free from artificial flavourings and colourings.

By using ingredients such as rice flour, finger millet, foxtail millet, green gram, and indigenous tubers to create value-added products, the bakery industry has the opportunity to capitalize on the growing global trend towards health-conscious diets.

The use of local organic agricultural products in food prepared for foreign tourists will provide substantial benefits to local farmers while also contributing to the growth of the tourism industry. At the same time, the government remains committed to strengthening local entrepreneurs by reducing challenges related to the importation of raw materials, providing concessionary loans for new technologies, and offering the technical assistance required to meet international standards.

The government has already launched programmes through the Ministry of Industries to provide the necessary training and market linkages to help small and medium-scale bakery owners develop and expand their businesses”.

The occasion was attended by the Deputy Minister of Industries Chathuranga Abeysinghe, President of the All Ceylon Bakery Owners’ Association N.K. Jayawardana, and a number of members of the Association were also present at the event.

Prime Minister’s Media Division

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Prime Minister meets with UNICEF delegation

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Prime Minister Dr. Harini Amarasuriya met with a delegation from the UNICEF on Friday (June 12) at Temple Trees to discuss ongoing efforts to support the recovery of the education sector following the impact of Cyclone Ditwah.

Discussions focused on the implementation of activities outlined in the report titled “Cyclone Ditwah Education Emergency Response Plan: Phase 1 Progress Updates (January–April 2026).” The meeting provided an opportunity to review the progress achieved during the initial phase of the response and to discuss future interventions aimed at supporting children and schools affected by the disaster.

The Prime Minister and the UNICEF delegation also exchanged views on strengthening collaboration to ensure the continuity of education and the well-being of affected children.

The UNICEF delegation included Emma Brigham, UNICEF Representative, Begona Arellano, Deputy Representative, and other UNICEF officials.

(Prime Minister’s Media Division)

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Switzerland to vote on plan to cap population at 10 million

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A yes-vote poster paints the planned cap (L) as a way of protecting Switzerland, but opponents call it a "chaos initiative"[BBC]

Can a country put a fixed limit on its population? That is the question Switzerland will be answering on Sunday when voters go the polls to decide on a proposal to cap their population at 10 million, a move that has exposed divisions about immigration in the Alpine nation.

The move is backed by the right-wing Swiss People’s Party, which describes it as a “sustainability initiative” aimed at easing pressure on housing, public services and the environment. However some voters see this as the party’s latest anti-immigration move.

Dubbing it a “chaos initiative”, the government, other political parties, business leaders and trade unions argue it will deprive hospitals and hotels of much needed staff, and damage hard-won relations with the European Union, leaving non-EU member Switzerland isolated in a very risky world.

Switzerland’s population has grown rapidly since 2002, when it stood at 7.3 million. Now it is 9.1 million, 27% of whom are Swiss residents who were born abroad.

Switzerland’s system of direct democracy means all major decisions are taken via the ballot box. Campaigners simply have to gather 100,000 signatures to ensure a nationwide vote.

Many voters are concerned by overcrowded trains, expensive apartments and rising health costs.

The latest opinion polls indicate this could be a very close vote.

They suggest voters are inching towards a no vote by a wafer thin margin, with 52% opposed – but polls remain divided, with 45% saying they are in favour of the proposal and a significant number of voters still undecided.

[BBC]

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