Mexico vaccinates its chickens, the US does not (https://www.unmc.edu/healthsecurity/transmission/2023/02/17/bird-flu-vaccination-policies-by-country/ https://w

Mexico vaccinates its chickens, the US does not (https://www.unmc.edu/healthsecurity/transmission/2023/02/17/bird-flu-vaccination-policies-by-country/ https://www.unmc.edu/healthsecurity/transmission/2023/02/17/...)