Health
COVID-19 again? Reinfection cases raise concerns over immunity – Reuters
The case of a man in the United States infected twice with COVID-19 shows there is much yet to learn about immune responses and also raises questions over vacci…
LONDON (Reuters) – The case of a man in the United States infected twice with COVID-19 shows there is much yet to learn about immune responses and also raises questions over vaccination, scientists said on Tuesday.
FILE PHOTO: Protective face masks with flags design are seen on display in a shop in Paris, as the coronavirus disease (COVID-19) outbreak continues in France, October 13, 2020. REUTERS/Charles Platiau
The 25-year-old from Reno, Nevada, tested positive in April after showing mild sy…
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