摘要
On December 9,2021,2 international passengers arrived in Tianjin Binhai International Airport from Warsaw,Poland via airplane and tested positive for severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),which causes coronavirus disease 2019(COVID-19),using nucleic acid tests.The first case(Patient A)was a flight crew member,a 35-year-old male,who had returned to Warsaw on the same flight on December 10,2021.The second case(Patient B)was a 17-year-old female student,who has been transferred to Haihe Hospital for isolation.Both cases are Polish nationality that had recently lived in Warsaw,Poland.According to the investigation,neither patient had disease symptoms nor medication history.Patient B received the Pfizer/BNT162b2 vaccine on September 27,2021.Patient A was vaccinated on May 25,2021,but no further vaccine information was collected as Patient A had left China.No other infections from this flight have been detected.
