Genetiskt olikt coronavirus gav återinfektion

I en fall-studie redogör forskare för en man som insjuknat två gånger i covid-19 och blev betydligt sjukare vid det andra smittotillfället.

By Samuel Lagercrantz

October 13, 2020 3:29 PM

Fortfarande är det oklart hur stark och långvarig immunitet en infektion med sars-cov-2 ger. Amerikanska forskare publicerar nu en fall-studie i Lancet Infectious Diseases om en 25-årig man i Nevada, USA, som infekterats två gånger av viruset.

Den 18 april i år testade mannen för första gången positivt för sars-cov-2. Sedan han tillfrisknat testades han två ytterligare gånger och testen var då negativa.

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