As new strains of the virus have been found, individuals are urged to take the Pfizer-BioNTech booster shot to receive additional immunity.
Individuals aged 18 and above that have received either two doses of Pfizer-BioNTech, two doses of Moderna, two doses of Sputnik, two doses of Oxford-AstraZeneca or one dose of Oxford-AstraZeneca and one dose of Pfizer-BioNTech, can receive the Pfizer-BioNTech booster shots, six months from taking the second dose of the vaccine.
On receiving one dose of the Johnson and Johnson vaccine, individuals aged 18 and above can receive a booster shot of the Pfizer-BioNTech vaccine after two months.
Individuals aged 16 and above, that have received either two doses of the Sinopharm vaccine or two doses of the Sinovac vaccine, can receive two doses of the Pfizer-BioNTech vaccine, three months from taking the second dose of the vaccine.