A new study has found a possible link between severe COVID-19 and the reactivation of dormant viruses in the body. Researchers analyzed samples from over 1,000 hospitalized COVID-19 patients and detected several dormant viruses that reactivated after hospital admission. The study, which was published in the journal Nature, identified 11 different dormant viruses that reactivated within 40 days of hospital admission.

These viruses included several herpes viruses and Anelloviridae, a family of viruses. Further details on the study are available from the source, including information on the researchers and their methods. The study's findings suggest a potential connection between severe COVID-19 and the reactivation of dormant viruses, but more information is needed to understand the implications of this link.