In today's Medscape Medical Minute with Dr Perry Wilson, vaccination and boosters provided no protection from Omicron for nearly half of Americans; physical activity reduces breast cancer risk; and what role does testosterone play in men's higher risk for COVID-19?

Today on the Medscape Medical Minute: GI symptoms are predictive of COVID outcomes; a monkeypox patient develops myocarditis; and US government for the first time offers abortion services to veterans.