Don Sapatkin

Seasonal influenza kills hundreds of thousands of people every year due to a constantly changing virus and highly inefficient vaccine production. A universal flu vaccine could deal with the first problem, and mRNA technology with the second.

The Ghana Food and Drugs Authority approved R21 for children aged five months to three years.

Though unlikely to pass this year, opponents say the proposal is nonetheless amplifying the spread of false claims and sowing distrust of medical professionals.

Polio prevalence has been reduced by 99.99% in the past 35 years. But the disease continues to exist in countries like Pakistan and Afghanistan, where it seeds outbreaks elsewhere.