Health Officials Advise Taking First Available Vaccine
			Last Saturday, Feb. 27, the FDA gave Emergency Use Authorization  for a single-dose COVID vaccine made by Johnson &  Johnson. The vaccine  uses a weakened cold virus to deliver genes for one of the COVID-19 virusâs key proteins, known as the spike protein â once in the cells, the viral protein activates the immune  system. In contrast, the Pfizer and Moderna vaccines use a strip of genetic			
        




