In a virus that has already killed 5.2 million people across the globe, 50 or so new mutations sound like a nightmare for humanity....
Then mathematical modelers will plug in what’s known, fill in what’s not, and forecast a range of outcomes. Until those bits and pieces of evidence begin to congeal, all we have are anecdotes, said infectious-disease specialist Dr....
Joshua Schiffer of the Fred Hutchison Cancer Research Center in Seattle, “ and the anecdotes are not helpful.” The impact of the
综合
洛杉矶时报-世界与民族
2021-11-30 00:00:00.0