The 3rd Vaccine to those vaccinated other two !
It is reported that Srilanka Medical Council has recommended to vaccinate third vaccine to those who have less immunity. They informed through their medical report.
If there is a need to give them third dose they should be given one of Astrzeneca or Pfizer or Moderna. And the M.C has requested that it would be save to give children of 12-18 years Pfizer vaccine only.