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With California staring down the barrel of another significant coronavirus surge, health officials are recommending residents avoid unnecessary travel — including for Thanksgiving — and urging those who do head out of state to self-quarantine for 14 days when they return.

The move comes amid ominous new signs that California is in the midst of a major new outbreak. Weekly coronavirus cases have doubled in just the last month, from nearly 23,000 cases a week a month ago to almost 48,000 in the seven-day period that ended Thursday, according to a Los Angeles Times analysis.

Los Angeles, Orange, Riverside, San Bernardino and Ventura counties have seen their combined weekly cases shoot up from about 13,000 to 26,000 over the last month. San Diego County saw its weekly cases rise from about 2,000 to 3,700 over the same time period. The county set a record this week with its highest single-day number of confirmed cases reported: 661.

Officials fear the situation could get much worse if people let down their guard during the Thanksgiving holiday.

Read the full story on LATimes.com.