United Airlines is mandating its 67,000 U.S. employees to be vaccinated by October. It becomes the first large airline to require vaccinations for its employees. (CNBC Weekly)

Chinese biotech Ji Xing Pharmaceuticals has acquired Oyster Point Pharma’s dry eye disease nasal spray for $17.5 million. Ji Xing Pharmaceuticals is led by Joe Romanelli, former president of Merck China. (Endpoints News)

Health workers across the U.S. are experiencing burnout from the pandemic, prompting some to walk off the job. “The mental toll of pandemic burnout is real and it is pervasive across the country,” said immunologist Purvi Parikh. (The Washington Post)

Scientists have linked an RNA molecule to a new possible treatment for phenylketonuria, a rare inherited disorder. In a new study, researchers at MD Anderson Cancer Center in Texas reported the treatment improved symptoms in animals. (STAT)

Seniors living outside of nursing homes had a greater risk of dying from COVID-19, according to new research examining the impact of the pandemic on the elderly. The study also found that Medicare members with dementia were particularly at risk. (Kaiser Health News)