Does your second dose of COVID-19 vaccine have to be the same brand as your first? :New trial looks into mixing COVID-19 vaccines The National 2:03 A new trial is looking into the possibility of getting different types of COVID-19 vaccines for each dose and what it could mean for the fight against COVID-19. If clinical trials support mixing and matching doses of different COVID-19 vaccines, doctors say it could help in containing the pandemic faster. The makers of mRNA vaccines are already tweaking their vaccines in face of the B1351 variant first identified in South Africa. Some vaccinologists suspect that getting a different type of COVID-19 vaccine for the second dose could stimulate immune cells to focus on the right target to tackle variants of concern.

Source: CBC News March 26, 2021 08:00 UTC