Some COVID-19 vaccines could increase risk of HIV, researchers warn

(Originally Published in October, 2020)

Some coronavirus vaccine candidates currently under development could increase susceptibility to HIV, a group of researchers has warned.

A modified virus being used in four COVID-19 vaccine contenders — called adenovirus 5 (Ad5) — has been shown to increase transmission of the AIDS virus in the past, the researchers wrote in a “cautionary tale” published in The Lancet medical journal Monday