Health Ministry Says No Mix And Match Of Vaccines For Third Dose: Report
Studies have shown that the immunity built after two doses of COVID-19 vaccine starts to wane after three months.
Studies have shown that the immunity built after two doses of COVID-19 vaccine starts to wane after three months.
Based on early findings, mRNA vaccines appear to be more effective as a booster dose compared to other COVID vaccines, such as AstraZeneca.
Trials are also underway of the safety and immune responses to a variety of different booster vaccines, including the next generation variant vaccines.