LONDON, June 19 — People who catch Covid-19 but don't show symptoms may have significantly lower levels of immunity against the virus than those who become severely ill, new research showed yesterday. The majority of virus patients display relatively minor signs of infection, and a small...
People who catch Covid-19 but don't show symptoms may have significantly lower levels of immunity than those who become severely ill, say researchers. — filadendron / IStock.com pic via AFP
Very little is known about this group, given that they are far less likely to be tested than those who go on to develop severe symptoms including respiratory problems. After eight weeks of convalescence, antibody presence had fallen in 81.1 per cent of asymptomatic patients, compared with 62.2 per cent of symptomatic patients.
Danny Altmann, a spokesman for British Society for Immunology as well as professor of Immunology at Imperial College London, said the research raised a vital question for combatting Covid-19.
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