(HealthDay)—Far more Americans have been infected with COVID-19 than reported case counts reflect, a new government report suggests.
Jul 21, 2020
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While some countries have tried to contain the new coronavirus with widespread testing, others have imposed lockdowns to save lives in the face of concerns over the economic hardships they will involve.
Apr 23, 2020
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Washington is in the midst of the worst measles outbreak in the state in more than 20 years, the disease spreading quickly among growing ranks of people who chose not to vaccinate themselves or their children. But Brandon ...
Feb 14, 2019
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The United States hopes to begin a sweeping program of COVID vaccinations, reaching perhaps 20 million people by year's end, top public health officials said Sunday as cases surge across the worst-hit nation.
Nov 22, 2020
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To achieve long-term victory over COVID-19, humans must reach herd immunity—the point at which the virus can no longer find enough hosts to cause significant levels of infection in a population. An effective COVID-19 vaccine ...
Aug 31, 2020
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It may be summer before children under 16 can be vaccinated against COVID-19 in the United States. That's a problem for reaching herd immunity quickly.
Feb 17, 2021
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The Brazilian city of Manaus, which was devastated by the coronavirus pandemic, may have suffered so many infections that its population now benefits from "herd immunity," according to a preliminary study.
Sep 24, 2020
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Jan 28, 2022
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Early in the pandemic, the term "herd immunity" hit the headlines, along with a polarized discussion on how to achieve it.
Jun 3, 2022
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Amid the carnage of the First World War, a flu epidemic took hold in the front-line trenches and subsequently spread around the world, infecting one-quarter of the world's total population and ultimately killing more people ...
Feb 27, 2020
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