Covid surge levels off, but new strains cloud forecast for months ahead

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Jan 22, 2021 Covid surge levels off, but new strains cloud forecast for months ahead Coronavirus hospitalizations in the United States are falling after having hit record levels this month — a welcome sign that the winter surge may finally be leveling off. But as the emergence of new variants throws a monkey wrench into the Covid-19 fight, coronavirus modelers warn that without a better understanding of how these strains affect things like transmissibility and the effectiveness of existing vaccines, it's difficult to forecast how the pandemic may play out in the coming months. Read More Get the NBC News Mobile App Follow NBC News Check out all of NBCNEWS Newsletters here. Update Preferences | Unsubscribe | Contact | Privacy Update Preferences Unsubscribe Contact Privacy