Toronto’s Associate Medical Officer of Health, Dr. Vinita Dubey告诉CityNews,“学校通常反映社区的情况,我们确实看到这正是呼吸道疾病季节的高峰期——COVID、流感和RSV都处于高水平,”。 “COVID自秋季以来一直存在并持续处于高水平,流感还在上升,所以可能会变得更严重,幸运的是RSV似乎处于下降趋势。” ...
BEIJING, Jan. 23 (Xinhua) -- China is willing to work with the United States to promote stable, healthy and sustainable economic and trade relations, based on the principles of mutual respect, peacefu ...