How quickly can you catch covid-19 again if you have already had it?

Many people have now had covid-19, which may leave them wondering for how long they are safe from reinfection – but there is no simple answer.

A man wearing a protective mask – but how long does a prior covid-19 infection protect someone from reinfection?As the omicron variant of the coronavirus continues to spread, many people who have already contracted the virus once are picking it up again. But a key question remains unresolved: for how long after a covid-19 infection are people likely to be protected from reinfection?

A lot hinges on the answer, as new omicron subvariants called BA.4 and BA.5 are on the rise in South Africa. It is still unclear if this will …App + Web

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