How much should people worry about Covid’s newly-dominant XBB.1.5 variant? Our medical analyst explains | CNN
CNN — A new Covid-19 variant, XBB.1.5, is spreading rapidly throughout the United States. In December 2022, the proportion of...
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FDA decision on experimental Alzheimer’s drug expected this week | CNN
CNN — The US Food and Drug Administration could decide this week whether to grant accelerated approval to the experimental...
