Scientists are trying to determine what role the coronavirus variants might be playing in driving transmission in India. A study finds that the Moderna and Pfizer vaccines are 94 percent effective at preventing the hospitalization of older adults.
More than half of U.S. states have seen a significant decline in new coronavirus cases over the past two weeks, as federal health officials suggest that the virus’s trajectory is improving. Still, the uneven distribution of vaccinations point to the challenge of persuading reluctant Americans to get vaccinated.
As of Wednesday, the United States was averaging over 52,000 new cases a day, a 26 percent decline from two weeks ago, and comparable to the level of cases reported in mid-October before the deadly winter surge, according to a New York Times database. Since peaking in January, cases, hospitalizations and deaths nationwide have drastically declined.
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