But even if omicron proves milder on the whole than delta, it may disarm some of the lifesaving tools available and put immune-compromised and elderly people at particular risk as it begins a rapid assault on the United States.“ Our delta surge is ongoing and, in fact, accelerating....
Percentages vary by region, with the highest — 13% — in the New York/ New Jersey area. But Harvard experts said these are likely underestimates because omicron is moving so fast that surveillance attempts can’t k
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芝加哥论坛报-国家与世界
2021-12-17 00:00:00.0
