dose, according to data from ….

dose, according to data from the Centers for Disease Control and Prevention. As of Monday, nearly 53 percent of Californians have received one dose and 42 percent are fully vaccinated.

Studies are finding that mRNA vaccines—Pfizer and Moderna— maintain more than 90 percent efficacy after six months. And scientists believe it’s likely much longer, but more data is needed.

A vaccine is our best shot at returning to a more normal life. Until then, wear masks and stay socially distant from others.