Pfizer to study effectiveness of vaccine in pregnant women

Pfizer and BioNTech have started an international study with 4,000 volunteers to evaluate the safety and effectiveness of their COVID-19 vaccine in healthy pregnant women, the companies said on Thursday, according to Reuters.

Pregnant women are at higher risk of developing severe COVID-19, and many public health officials have recommended some women in high-risk professions take coronavirus vaccines even without proof they are safe for them.