Pfizer Inc said on Tuesday it will allow generic manufacturers to supply its experimental antiviral Covid-19 pill to 95 low- and middle-income countries through a licensing agreement with the international public health group Medicines Patent Pool (MPP).

The voluntary licensing agreement between Pfizer and the MPP will allow the United Nations-backed group to grant sub-licenses to qualified generic drug manufacturers to make their own versions of PF-07321332. Pfizer will sell the pills it manufactures under the brand name Paxlovid.

Pfizer, which also makes one of the most widely used Covid-19 vaccines, has said the pill...