2.2K views · 21 reactions | Canadians have asked why Canada isn't producing our own COVID-19 vaccines yet - but those studying global trade and virology say it's a tough business, not always profitable and dominated by players already producing at scale. Xiaoli Li has more. | CityNews Toronto | Facebook

5.7K views · 64 reactions | A talk with Dr. Paul Offit, who specializes in infectious diseases, vaccines, immunology, and virology, about a possible vaccine for the Nobel coronavirus. | Jake Tapper | Facebook

Messenger RNA—or mRNA—vaccines have been in development for decades, and are now approved for use against COVID-19. Here's how they work and what you should know about them. Visit jhsph.edu/covid-19 for even more resources. | Johns Hopkins Bloomberg School of Public Health