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Pfizer-BioNTech vaccine with Moderna booster jab has ‘slight edge’ in reducing COVID-19 infection risk: Ong Ye Kung
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(15-11-2021, 09:24 PM)EXBB Wrote: Pfizer-BioNTech vaccine with Moderna booster jab has ‘slight edge’ in reducing COVID-19 infection risk: Ong Ye Kung
![[Image: giphy-3.gif]](https://i.ibb.co/2FFVJ26/giphy-3.gif)
But why Singaporeans prefer Sinovac or Sinopharm vaccinces....