Ten Things You Need to Know Today: Tuesday 27 Oct 2020

1. Covid immunity wanes ‘quite rapidly’, study says

Researchers say levels of protective antibodies fall “quite rapidly” after coronavirus infection. An Imperial College London team found the number of people testing positive for antibodies has fallen by 26% between June and September, meaning there is a risk of catching the virus multiple times. The BBC adds other parts of the immune system, such as T-cells, may also play a role in protecting against the virus.

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