Coronavirus: COVID-19 reinfection can occur sooner than you think; here's why immunity may wane faster - Times of India

Many researchers have looked into the phenomenon of reinfection and waning immunity. While many agree on COVID immunity lasting upto 90 days and beyond, there are those who have argued it could be shorter.

The small case series conducted by the U.S. Centers for Disease Control and Prevention (CDC) looked into 10 cases from four states namely Rhode Island, Vermont, Washington and Wisconsin. The patients… [+992 chars]

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