Vaccine makers prep bird flu shot for humans 'just in case'; rich nations lock in supplies ReutersVaccine makers like Moderna say they're 'standing ready' for human bird flu pandemic Daily MailBird flu vaccine could soon be on standby in case of future outbreak: experts Global NewsDutch Lab Pinpoints Bird Flu Vaccines to Shield Egg-Laying Hens BloombergTwo New Vaccines Found Effective Against Bird Flu NewsmaxView Full Coverage on Google News