摘要
On April 15,2021,a 62-year-old male(Patient A,XG4122)and a 58-year-old female(Patient B,XG4123)travelled from Canada via airplane and were transferred to a central isolation hotel after being tested by the laboratory of Guangzhou Customs using nose swab tests for coronavirus disease 2019(COVID-19).The results for both patients returned COVID-19 positive and the couple were transported to the Guangzhou Eighth People’s Hospital for isolated treatment by ambulance on April 16,2021.Patient A had inflamed lungs while Patient B had mild inflammation in her lungs according to the chest computed tomography(CT)examination.Both of their 28 close contacts underwent centralized isolation and medical observation.
