BEIJING, Aug. 29 (Xinhua) — People traveling to the Chinese mainland, either directly from China\’s Taiwan region or transiting through Taiwan, will no longer be required to take a pre-entry nucleic a
Tag: antigen
Another respiratory virus on rise in U.S.
LOS ANGELES, May 31 (Xinhua) — While cases of COVID-19 and respiratory syncytial virus (RSV) were decreasing across the United States, infections of another respiratory virus, called human metapneumo