Older people respond better than young people
LONDON: The coronavirus vaccine that was developed by various teams at the University of Oxford has shown a robust immune response in healthy adults aged 56 to 69, and even in those over 70.
The research was published in “The Lancet” on Thursday and was conducted on 560 healthy adult volunteers. The vaccine, called the ChAdOx1nCoV-19 vaccine, is “safe and well tolerated” with a lower reactogenicity profile in older people than in younger people, which means older groups will be able to develop immunity faster. .
Researchers find this encouraging because older people are at a higher risk of not being able to survive Covid-19, and therefore it was of the utmost importance that any vaccine developed against the virus was effective in older people.
In addition, the team is also testing whether the vaccine prevents the virus from growing in the human body, and Phase 3 trials are larger than before with more test subjects. The first results should arrive in the coming weeks.
Dr Maheshi Ramasamy, a researcher at the Oxford Vaccine Group, said the vaccine was effective not only in older adults, but also boosted similar results in young volunteers. Now their goal is to see if it acts as a deterrent to the disease itself and not just a vaccine.
This is the fourth promising vaccine after Pfizer-BioMTech, Sputnik and Moderna, which all performed well until preliminary Phase 3 trials.
The UK has already placed an order for 100 million doses of the Oxford vaccine, currently manufactured by AstrZeneca. They also collaborate with the Serum Institute of India.
(Cover: Dado Ruvic / Reuters)
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