MMWR News Synopsis Friday, July 23, 2021
:: Changes in Influenza and Other Respiratory Viral Activity During the COVID-19 Pandemic — United States, 2020–2021
… In 2020, most of these viruses circulated at historically low levels, likely because of widespread use of COVID-19 prevention measures, including limited global travel, mask use,  physical distancing, and staying home. However, some of these viruses, such as RSV, have begun circulating at increased levels at an unusual time of the year…