For unvaccinated, reinfection by COVID-19 is likely, study finds

Strong protection following natural SARS-CoV-2 infection is short-lived More at
https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=303705&WT.mc_id=USNSF_1
This is a Research News item.

Source: NSF Discoveries - October 19, 2021 Category: Science Source Type: research