Photo credit Pixabay The Food and Drug Administration has granted emergency use authorization to Johnson & Johnson for a single-dose COVID-19 vaccine, a move that drew praise from Virginia Tech public health expert Lisa M. Lee and Virginia hospitals and health systems as very good news for helping to slow the spread of the virus and preventing severe illness and deaths nationwide. The availability of this new vaccine, combined with increased production by vaccine makers Pfizer and Moderna, should result in a significant increase in federal distributions...