Pfizer Will Allow Its Covid Pill to Be Made and Sold Cheaply in Poor Countries

Pfizer announced a deal on Tuesday to allow its promising Covid-19 treatment to be made and sold inexpensively in 95 poorer nations that are home to more than half of the world’s population.

The agreement follows a similar arrangement negotiated by Merck last month, and together the deals have the potential to vastly expand global production of two simple antiviral pills that could alter the course of the pandemic by preventing severe illness from the coronavirus.

“The fact that we now have two manufacturer-anywhere licenses for these two drugs is...