Y YOALL New member Nov 16, 2010 #1 Live vaccinations can NOT consist of? A) living micro-organisms B) an antiserum produced by chemists in a laboratory C) a non-virulent strain of the disease D) a living strain of a closely related disease? Thanks
Live vaccinations can NOT consist of? A) living micro-organisms B) an antiserum produced by chemists in a laboratory C) a non-virulent strain of the disease D) a living strain of a closely related disease? Thanks
