Chinese medical expert team members pose for a group photo at a COVID-19 treatment facility in Juba, South Sudan, Aug. 21, 2020. A team of medical experts sent by the Chinese government to South Sudan on Friday embarked on experience sharing with their local counterparts in a bid to strengthen the east African nation's fight against the COVID-19 pandemic. (Photos: Xinhua)

Chinese medical expert team members visit a COVID-19 treatment facility in Juba, South Sudan, Aug. 21, 2020. A team of medical experts sent by the Chinese government to South Sudan on Friday embarked on experience sharing with their local counterparts in a bid to strengthen the east African nation's fight against the COVID-19 pandemic.

Chinese medical expert team members communicate with a local frontline health worker at a COVID-19 testing facility in Juba, South Sudan, Aug. 21, 2020. A team of medical experts sent by the Chinese government to South Sudan on Friday embarked on experience sharing with their local counterparts in a bid to strengthen the east African nation's fight against the COVID-19 pandemic.

A Chinese medical expert team member communicates with a local frontline health worker at a COVID-19 testing facility in Juba, South Sudan, Aug. 21, 2020. A team of medical experts sent by the Chinese government to South Sudan on Friday embarked on experience sharing with their local counterparts in a bid to strengthen the east African nation's fight against the COVID-19 pandemic.

Chinese medical expert team members communicate with a local frontline health worker at a COVID-19 testing facility in Juba, South Sudan, Aug. 21, 2020. A team of medical experts sent by the Chinese government to South Sudan on Friday embarked on experience sharing with their local counterparts in a bid to strengthen the east African nation's fight against the COVID-19 pandemic.

Chinese medical expert team members communicate with a local frontline health worker at a COVID-19 testing facility in Juba, South Sudan, Aug. 21, 2020. A team of medical experts sent by the Chinese government to South Sudan on Friday embarked on experience sharing with their local counterparts in a bid to strengthen the east African nation's fight against the COVID-19 pandemic.