COVID-19 may become seasonal illness: study

Reinfection possible months afterwards, but illness not as serious second, third or fourth time round, US model shows

A US study predicts that SARS-CoV-2 could eventually become no more infectious than the common cold, seasonally reappearing each year alongside other pathogens in the coronavirus family that bring about mild sniffles. 

But that will happen only when the coronavirus becomes endemic, according to the researchers from Emory University in Georgia and Penn State University. 

"The timing of how long it takes to get to this sort of endemic state depends on how quickly the disease is spreading and how quickly vaccination is