By VERAH OKEYO More by this AuthorPeople who have tested positive for Covid-19 and develop severe or mild symptoms show immunity against the virus and it is unlikely they will be infected a second time, scientists say. Of the 22.4 million people globally who had tested positive for coronavirus as of Thursday, there had not been a clinically confirmed case of re-infection, said Dr Etyang. AdvertisementOn Saturday there were 355 new cases, which pushed the total tally of those who have tested positive for the virus to 33,118 in Kenya. However, looking at other coronaviruses, “it seems like immunity would last more than a year”, said Dr Greninger. These studies allay the fears sparked off by a UK study that found out that, two months after infection, many of the antibodies patients developed disappeared.

Source: Daily Nation August 23, 2020 05:26 UTC