Bay Briefing: Blood type among potential COVID-19 risk factors

Good morning, Bay Area. It’s Friday, July 10, and colleges are struggling on multiple fronts with what the fall semester will look like. Here’s what you need to know to start your day.

Uneven risk

Infectious disease specialists say the worldwide pandemic is especially cruel to people with Type A blood, which apparently lacks certain compounds that help fight off the disease.

A study published June 17 in the New England Journal of Medicine...