人間煉獄：疫情、戰爭、窮困 (344期) ：俄羅斯烏克蘭繼續苦戰。W.H.O. Ends Global Health Emergency Designation for Covid.新冠對應措施之有效性，都缺嚴格的科學報告 How Well Does Masking Work? And Other Pandemic Questions We Need to Answer. 美國/台灣 C.D.C. to Scale Back Covid Tracking Efforts

 

Ukraine Claims It Shot Down Russia’s Most Sophisticated Missile

The air force said it intercepted the hypersonic missile with a newly delivered U.S.-made air-defense battery. U.S. officials confirmed the strike.

6 MIN READ

As Putin Bides His Time, Ukraine Faces a Ticking Clock

Ukraine is feeling pressure from its Western allies for success in a looming counteroffensive. Vladimir Putin seems to be operating on a longer timeline.

• W.H.O. Ends Global Health Emergency Designation for Covid

• C.D.C. to Scale Back Covid Tracking Efforts

新冠對應措施之有效性，都缺嚴格的科學報告

OPINION

How Well Does Masking Work? And Other Pandemic Questions We Need to Answer.