Repeated COVID infections could be fatal, according to a study, a Greek journalist
Global SARS-CoV-2 infection rates likely higher than previously reported News-Medical.Net
Morbidity associated with post-COVID-19 in children, adolescents and adults: a matched cohort study including more than 157,000 people with COVID-19 in Germany PLOS
Re-infections with COVID-19 substantially increase the risk of death and long-term COVID-19 WSWS
Repeat COVID is riskier than first infection, Geo News study finds