Dr. Anthony Fauci is urging more Americans to get vaccinated before the COVID-19 variant Delta becomes dominant in the U.S. The variant, first identified in India, is now accounting for 60% of cases in the U.K. (CNBC Weekly)

Biogen defended its decision to price its Alzheimer’s drug Aduhelm at $56,000 a year Tuesday, arguing that cancer therapies often cost far more. Though it was approved by the Food and Drug Administration this week, its efficacy is disputed. (STAT)

The Food and Drug Administration has rejected Google’s attempt to add a virtual exam for Parkinson’s disease to its smartwatch. The agency noted that the motor exam and Verily’s algorithm are “limited in their capacity” to evaluate patients’ motor symptoms. (Endpoints News)

The Mastercard Foundation is donating $1.3 billion to bolster Africa’s vaccine response to the COVID-19 pandemic. The company hopes to secure vaccine doses for 50 million people and help improve vaccine manufacturing capacity on the continent. (The Washington Post)

The Centers for Disease Control and Prevention has eased travel recommendations for 61 countries. Japan, France, Mexico, South Africa, Russia and others have been lowered to Level 3, which suggests fully vaccinated people can travel there. (Reuters)