The vast majority of participants were at least 45 years old. Read more at straitstimes.com. Read more at straitstimes.com.

But further research was needed, including on whether the same changes occur in people. Read more at straitstimes.com. Read ...

A Singaporean woman, who was infected with the novel coronavirus in March when she was pregnant, has given birth to a baby with antibodies against the virus, offering a new clue as to whether the ...

Illustration by The Atlantic. Source: Getty. That’s not to say we are in for a COVID-less Christmas. CDC data released over the past two weeks show a sharp increase of viral activity in wastewater.

Experts expect cases to rise again this winter. Here’s the latest on symptoms, treatments and testing. By Dani Blum Dani Blum has reported on Covid since the spring of 2020. There are few constants ...