Will Covid-19 have a not-so-distant cousin? According to a study published this week, scientists have discovered a virus of the same family as Sars-Cov-2, the virus causing Covid, in bats in Russia. According to them, this coronavirus, called Khosta-2, was circulating there from 2020. So far, nothing abnormal, these species of animals containing many viruses discovered over time.
On the other hand, the latest research seems more worrying. According to experts, not only is this coronavirus able to replicate in humans, but it might also bypass the immune protection provided by current vaccines once morest Covid-19. To reach this conclusion, the study authors checked whether the serum of patients vaccinated once morest Covid-19 neutralized Khosta-2. The result was negative.