Poultry workers shouldn't serve as canaries.
Greenberg
Gary N
GN
D000818:Animals; D001208:Asia; D018562:Disease Transmission, Infectious / Q000517:prevention & control; D004641:Emigration and Immigration; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000472:pathogenicity*; D005585:Influenza in Birds / Q000635:transmission; D007251:Influenza, Human / Q000517:prevention & control / Q000635:transmission; D009784:Occupational Diseases / Q000517:prevention & control* / Q000821:virology; D016273:Occupational Exposure / Q000009:adverse effects / Q000517:prevention & control*; D016272:Occupational Health / Q000331:legislation & jurisprudence*; D011159:Population Surveillance; D011200:Poultry; D017132:Workplace / Q000592:standards