Moderna says its COVID-19 vaccine is safe and effective in teenagers aged 12 to 17. The company plans to request FDA authorization next month. (The Wall Street Journal)

The Centers for Disease Control and Prevention has stopped investigating mild COVID-19 cases among vaccinated Americans. At the end of April, a little more than 10,000 out of 101 million vaccinated people had developed breakthrough infections. (The New York Times)

Genentech will pay $20 million for Pieris Pharmaceuticals’ protein technology, which it plans to use in respiratory and ophthalmic therapies. Pieris could receive an additional $1.4 billion if the drugs reach certain milestones. (Endpoints News)

Three treatments for spinal muscular atrophy have been approved in the last several years, providing hope for families. But challenges and unknowns remain, with many children on the therapies still requiring a lot of support. (STAT)While India is currently experiencing one of the most severe COVID-19 outbreaks, other countries have similarly been reporting record case increases. Nations like Argentina, Taiwan and Nepal are seeing high case counts as global vaccination remains uneven. (CNBC Weekly)