Though the COVID-19 pandemic (caused by SARS-CoV-2) and the disease it causes was considered to be a health threat at the beginning of 2020, it wasn’t considered a US health threat until early February of 2020, when one of the…
Though the COVID-19 pandemic (caused by SARS-CoV-2) and the disease it causes was considered to be a health threat at the beginning of 2020, it wasn’t considered a US health threat until early February of 2020, when one of the…