As omicron has become the dominant variant of the coronavirus, re-infections are on the rise, but it is unclear how long people can count on protection between attacks of Covid-19
May 9, 2022
As the omicron variant of the coronavirus continues to spread, many people who have once become infected with the virus pick it up again. But the key question remains unresolved: how long after COVID-19 infection are people likely to be protected from re-infection?
Much depends on the answer, as new omicron subvariants called BA.4 and BA.5 are on the rise in South Africa. It is unclear whether this will be…
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