Impact of SARS-CoV-2 on Seasonal Respiratory Viruses: A Tale of Two Large Metropolitan Centers in the United States

To assess the impact of the SARS-CoV-2 pandemic on seasonal respiratory viruses, absolute case counts and viral reproductive rates from 2019-2020 were compared against previous seasons. Our findings suggest that the public health measures implemented to reduce SARS-CoV-2 transmission significantly reduced the transmission of other respiratory viruses.