1. Post-covid syndrome, to give it its formal name, is a set of symptoms affecting any part of the body that persist for at least three months after a bout of covid-19.

a bout of 一场，一回

I've just recovered from a bout of malaria.

我患了疟疾，刚刚痊愈2podU+8oU7.w。

2. The vast majority are in their working-age prime.

vast majority 绝大多数

In the vast majority of cases, this should not be a problem.

在绝大多数情况下，这应该不成问题^y&S[u8_IhG,。