An article about the first Chinese patient infected with the Omicron variant of BA.5 was published online in the CDC Weekly Report on May 28.

The first China’s imported case of Omicron variant BA.5 infection departed Uganda (flight KL535) on April 25, with two connecting flights in Amsterdam on April 26 and Seoul, South Korea (flight KL857) on April 27.

On April 29, a 37-year-old Chinese man was tested positive and diagnosed with a mild case.

The patient has been vaccinated in four doses against COVID-19 in China and Uganda.

After the diagnosis, he was transferred to the Shanghai Public Health Clinical Center for treatment and discharged from the hospital on May 12.

Genotyping analysis revealed that the patient was infected with the SARS-CoV-2 variant of Omicron subvariant BA.5. This is the first imported case of Omicron subvariant BA.5 reported in China.

Recently, Liaoning province added 11 new cases of local asymptomatic infections on May 27, and the strain in this round of outbreak is related to the newly detected Omicron BA.2.3 variant.

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