Molnupiravir – the main component in Merck and Ridgeback Therapeutics’ Covid-19 oral pill – might not be safe for use in pregnant women, according to the U.S. Food and Drug Administration. 

A new study shows the persistent syndrome of Covid-19 after-effects known as long Covid can develop after “breakthrough” infections in vaccinated people. Other new findings suggest a gene that helps the coronavirus reproduce itself might contribute to life-threatening Covid-19 in young, otherwise healthy people.

Investigators at Washington University School of Medicine in St. Louis identified a compound that can help sensory neurons in the central nervous system to heal.

Pregnant women vaccinated against Covid-19 could pass along protection to their babies, according to a new study in Israel.

Researchers at Northwestern University identified a compound that appears to reverse the ongoing degeneration of upper motor neurons associated with amyotrophic lateral sclerosis (ALS).

Pfizer Inc. and BioNTech SE started an international study with 4,000 volunteers to evaluate the safety and effectiveness of their COVID-19 vaccine in healthy pregnant women.

A U.S. Centers for Disease Control and Prevention advisory panel on Dec. 12 recommended the nation’s first COVID-19 vaccine, helping clear the way for public health authorities to begin the largest vaccination campaign in U.S. history.

GlaxoSmithKline will move the company’s experimental vaccine against the respiratory syncytial virus (RSV), a cause of pneumonia in toddlers and the elderly, into the final stage of testing after experiencing encouraging mid-stage trial results.

Infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) during pregnancy does not appear to increase the risk of complications during delivery or negatively impact the health of newborns, according to a new JAMA study.

Gilead Sciences reported additional data from the company’s Phase III SIMPLE-Severe trial and a real-world retrospective group of patients with severe COVID-19.