Jan 03, 2022 · OMAN published must have a COVID19 vaccination certifie showing that they were fully vaccinated at least 14 days before arrival. Vaccines accepted are: AstraZeneca (Vaxzevria), Covaxin, Covishield, Janssen, Moderna (Spikevax), PfizerBioNTech (Comirnaty), Sinopharm, Sinovac or Sputnik V.