• UPDATED 12.05AM | Added more context on heterologous vaccinations in Thailand.

The Health Ministry has defended its decision to endorse the Covid-19 vaccine from Pfizer-BioNTech as the preferred vaccine for administering booster shots to people who previously received the Sinovac vaccine.

Moreover, it also unveiled a proposed plan that would see most vaccine recipients eventually get a Pfizer booster once given the green light by the National Pharmaceutical Regulatory Agency (NPRA).

Nevertheless, it will still be possible for...