The third wave of the new crown epidemic in South Africa is mainly caused by the Delta strain

South African government raises the country's epidemic prevention and control level to level 4

On June 26, the number of U.S. airport security checks hits the highest record since the epidemic

South Africa's rugby national team has a new crown outbreak and the warm-up match has been cancelled

In addition to heart rate, blood pressure, respiratory rate and temperature, pulse oximetry (PO) is considered to be the fifth most critical health indicator.