Oh , I guess if the vaccine worked poorly or unpredictably like the flu vaccine. Still, I personally think facemasks at a poultry farm are impractical. But I d

Oh , I guess if the vaccine worked poorly or unpredictably like the flu vaccine. Still, I personally think facemasks at a poultry farm are impractical. But I don't really know, I've never worked at one and have never met anyone that has.