COVID-19 antibodies persist after nine months
ANI
20 Jul 2021, 12:55 GMT+10
London [UK], July 20 (ANI): A new study led by researchers at Imperial College London and University of Padua shows antibody levels remain high nine months after SARS-CoV-2 infection, whether symptomatic or asymptomatic.
The results of the study were published in the journal Nature Communications.
Researchers tested more than 85 per cent of the 3,000 residents of Vo , Italy, in February/March 2020 for infection with SARS-CoV-2, the virus that causes COVID-19, and tested them again in May and November 2020 for antibodies against the virus.
The team found that 98.8 per cent of people infected in February/March showed detectable levels of antibodies in November, and there was no difference between people who had suffered symptoms of COVID-19 and those that had been symptom-free.
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Third wave of coronavirus unlikely to be as severe as second wave: Study
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Last Updated: Jun 26, 2021, 10:00 AM IST
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Synopsis
Considering the four hypotheses for the emergence of a third wave, the study said, infection-induced immunity may decay over time, permitting re-infection of those previously exposed, even if the circulating virus remains unchanged.
Covid third wave unlikely to be as severe as the second wave: ICMR study
A third wave of COVID-19 if it occurs is unlikely to be as severe as the second wave given the extent of spread of coronavirus infections that has already taken place in the country, according to a study. The study, based on mathematical modelling analysis published in the Indian Journal of Medical Research (IJMR), highlights that the emergence of a third wave of coronavirus could be substantially mitigated by the expansion of vaccination.