The likelihood of human-to-human transmission of H5N1 is “incredibly minimal,” Chowdhury claims. But if it have been to occur within a sustained fashion, it could rock the globe in a way not witnessed since the 1918 Spanish Flu. five to seven. For H5N1 between birds, it's all over 100. It https://www.dailypioneer.com/2019/page1/hit-by-metro--mehrauli-badarpur-flyway-in-blind-alley.html