Some children admitted to the hospital were co-infected with two viruses and a few with three, he said. More than two years into the coronavirus pandemic, familiar viruses are acting in unfamiliar ways. Respiratory syncytial virus, known as RSV, typically limits its suffocating assaults to the winter months. Now flu is back, but without one common lineage known as Yamagata, which hasn’t been spotted since early 2020. Mina said the shift in seasonality is explained largely by our lack of recent exposure to common viruses, making us vulnerable to their return.

Source: Washington Post June 13, 2022 20:49 UTC