Originally Posted by
prof
ٌThe CDC card reads “record of vaccination.” That is a certificate; a document doesn’t have to include the word “certificate” for it to certify something, which the CDC record of vaccination certainly does. If anything, the absence of definition of what constitutes a valid certificate should make the CDC card that much more acceptable, since the IATA program does not say, for instance, “the certificate must say ‘certificate.’”
Funnily (or not) enough, this was one of the hang-ups – that the CDC card does not have the word "certificate" on it.