🟧This is what happened during World War I. 
The most likely scenario is that an avian flu of the #H1N1 combination moved from wild birds in northern France to the poultry and pigs near the Western Front, where millions of hungry, sick, stressed, and often maimed and bleeding men were packed into tents and trenches.
#H5N1 #BirdFlu #AvianInfluenza @CDCgov @USDA