Uncertainty looms on how frequently Covid reinfection occurs

Uncertainty looms on how frequently Covid reinfection occurs Various studies have shown people who survived a Covid-19 infection continue to produce protective antibodies against key parts of the virus from two months to almost a year. However, according to the health experts, there is still uncertainty to suggest that people are immune to Covid-19 after the first infection. https://ift.tt/eA8V8J