An fully vaccinated man in his 30’s who received his booster shot is believed to be San Diego County’s second COVID-19 omicron variant case. 

County health officials announced on Dec.10 the man did not have a travel history and received his booster vaccination two weeks prior, had mild symptoms which were resolved. He was not hospitalized. 

The man tested positive for COVID-19 on Dec. 8, and the case was first detected through the Expedited COVID Identification Environment lab at UC San Diego. Genome sequencing was performed by the San Diego Epidemiology and Research for COVID Health Alliance, who confirmed the Omicron 

​​“This case confirms our expectation that the Omicron variant is now spreading in the community. While the Delta variant remains the main strain circulating in San Diego, we expect to see more Omicron cases in the region,” said Wilma J. Wooten, M.D., M.P.H., County public health officer. “San Diegans should continue taking the recommended precautions, especially getting all the recommended COVID-19 vaccine doses.”

The man remains in isolation as of Friday and contact tracing is underway by county health officials. County health officials reported the first Omicron Variant case on Dec.9 in a patient who traveled abroad. 

The county will publish future Omicron cases every Wednesday in the  Summary of Variant Cases

More information about COVID-19, variants, testing and vaccinations can be found at



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