In China, more than 34 million people have received two doses of a Covid-19 vaccine already. This means that if you get the Sinovac vaccine, you are virtually guaranteed not to develop a severe case of Covid-19. The important thing, especially for tropical countries, is that the Sinovac vaccine does not need to be deep-frozen. What about the Johnson and Johnson vaccine? The Johnson and Johnson vaccine was actually developed by Janssen Pharmaceuticals in the Netherlands, which is owned by the United States-based Johnson and Johnson.

Source: The Star April 22, 2021 04:52 UTC