Chile will start administering a fourth COVID vaccine dose to people with weakened immune systems from Monday, President Sebastian Pinera said, as the country recorded its highest number of daily cases in six months.
Jan 6, 2022
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The U.S. is expanding COVID-19 boosters as it confronts the omicron surge, with the Food and Drug Administration allowing extra Pfizer shots for children as young as 12.
Jan 3, 2022
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Moderna said Monday that a booster dose of its COVID-19 vaccine should offer protection against the rapidly spreading omicron variant.
Dec 20, 2021
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Recent increases in COVID-19 positivity rates and hospitalizations and uncertainty about the risks posed by the omicron variant have placed renewed emphasis on the essential role of COVID vaccines in combatting the ongoing ...
Dec 16, 2021
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(HealthDay)—Booster doses of Pfizer's coronavirus vaccine set recipients up to effectively withstand the ravages of both the Delta and Omicron variants, a group of new studies suggest.
Dec 9, 2021
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If it's been six months since you got the second COVID vaccine dose, it's time to book in for your booster shot. This will provide additional protection against COVID, including the new Omicron variant.
Dec 9, 2021
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(HealthDay)—If you're a patient with a weakened immune system, roll up your sleeves to stay safe over the holidays and winter months.
Dec 6, 2021
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A Canadian government immunization advisory committee on Friday urged Covid-19 booster shots for people 18 and older who are at greater risk of infection, while also strongly recommending those 50 years-plus to get the third ...
Dec 3, 2021
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Questions about COVID-19 vaccine boosters—like who is eligible and how to choose one—have dominated scientific discussions, news headlines, and dinner-table conversations recently, but the practice of giving our immune ...
Nov 22, 2021
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Vaccines are less effective against some COVID-19 variants and boosting may be required within one year to maintain efficacy above 50 percent, according to a new study.
Nov 18, 2021
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