Why do some people refuse to get vaccinated or wear masks to prevent the spread of COVID-19? The biggest driver of that decision is a belief that the virus poses no threat to them, a new international study suggests. The researchers said their findings could help guide efforts to fight future pandemics. The investigators examined…  read on >  read on >

A deal for Merck’s COVID-19 pill to be made and sold cheaply in poor nations has been reached with Medicines Patent Pool, a United Nations-backed nonprofit organization. The royalty-free license means that companies in 105 countries, mostly in Africa and Asia, can sublicense the formulation for the antiviral pill molnupiravir and start making it, the…  read on >  read on >

Severely immunocompromised people may require a fourth mRNA coronavirus shot, the U.S. Centers for Disease Control and Prevention says. The agency didn’t provide an official recommendation about a fourth shot in its updated guidelines, but did say that people should talk to their doctors to determine if one is necessary, CNN reported. In August, the…  read on >  read on >

Routine face mask ventilation during an operation doesn’t increase the surgical team’s risk of coronavirus infection, according to a new study. Face mask ventilation is typically used for surgical patients under general anesthesia. However, its designation as an “aerosol-generating procedure” by the World Health Organization has altered operating room procedures and efficiency during the COVID-19…  read on >  read on >

WEDNESDAY, Oct. 27 2021Midlife vision problems could increase women’s risk of depression, new research suggests. Rates of eye problems and depression rise during midlife, but knowledge about how vision affects depression at that time has been limited. The new study identified a significant link between impaired vision and development of depression. “Given that the combination…  read on >  read on >