Chinese medical experts pose for a group photo with their Azerbaijani counterparts in Jelilabad, Azerbaijan, Aug. 9, 2020. A team of Chinese medical experts arrived in Baku on Aug. 4 to share their knowledge of and experience in COVID-19 treatment with their Azerbaijani counterparts. (Chinese Embassy to Azerbaijan/Handout via Xinhua)

Chinese medical experts exchange views with their Azerbaijani counterparts in Jelilabad, Azerbaijan, Aug. 9, 2020. A team of Chinese medical experts arrived in Baku on Aug. 4 to share their knowledge of and experience in COVID-19 treatment with their Azerbaijani counterparts. (Chinese Embassy to Azerbaijan/Handout via Xinhua)

Chinese medical experts exchange views with their Azerbaijani counterparts in Baku, Azerbaijan, Aug. 10, 2020. A team of Chinese medical experts arrived in Baku on Aug. 4 to share their knowledge of and experience in COVID-19 treatment with their Azerbaijani counterparts. (Chinese Embassy to Azerbaijan/Handout via Xinhua)

Chinese medical experts talk with a COVID-19 patient in Baku, Azerbaijan, Aug. 7, 2020. A team of Chinese medical experts arrived in Baku on Aug. 4 to share their knowledge of and experience in COVID-19 treatment with their Azerbaijani counterparts. (Chinese Embassy to Azerbaijan/Handout via Xinhua)