Americans vaccinated and boosted against COVID-19 can be with family over the holidays but attending large gatherings is not safe, even for those who received a booster dose, top U.S. infectious disease expert Anthony Fauci said on December 22.

Nearly all social gatherings of individuals from more than a single household will be banned in Los Angeles County for at least three weeks starting Nov. 30 under new restrictions unveiled by local health officials, citing a continued surge in Covid-19 infections.