Will our immune systems learn — and remember — how to cope with the new threat? Will vaccines be protective and long-lasting - Helen Branswell


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Four scenarios on how we might develop immunity to Covid-19

A great deal of conflicting information has emerged about the immune response that develops in patients who have recovered from Covid-19. A recent study in the UK showed declining antibodies in more than 350,000 people, leading to headlines that immunity wanes rapidly just months after infection.

The next day, another study concluded the opposite: in more than 30,000 patients in New York City, the majority showed high levels of IgG antibodies, which are the type of antibodies that typically neutralise Sars-Cov-2, the virus that causes Covid-19. Naturally this is very confusing. Is Sars-Cov-2 a superpowered virus that can subvert the immune systems that protect us so effectively against…

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Last Updated : Friday, November 12, 2021