The holidays should be a time for getting together with friends and family, but instead we have a double dose of coronavirus strains — Delta and Omicron. Whether we are exhausted from the pandemic or not, we still need to prevent the spread of infections. Fortunately, we know what works.

For indoor gatherings, each person should be fully vaccinated with a booster shot, or, for someone with a confirmed prior COVID infection, at least one vaccine dose. They all should have frequent rapid antigen tests for the days prior to and time of gathering. These tests screen for whether a person is infectious, which is far more important than whether they have been infected but not capable of transmitting the virus. Ideally, all gatherings would be outdoors, but if that’s not possible, maximizing ventilation with windows open or HEPA air filtration with CO2 monitoring provides good air quality.

Read the full article in The Los Angeles Times.