Vaccination
Chile to give fourth COVID-19 vaccine dose
Chile will offer its citizens a fourth coronavirus vaccine dose from February, starting with high-risk categories, President Sebastian Pinera has announced.
Dec 24, 2021
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Page 2 - News tagged with booster shot
Vaccination
Vaccine booster increases protection against COVID, including omicron
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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Vaccination
EU signs contract for new Spanish COVID vaccine
The European Commission has signed a contract to allow EU member states to buy up to 250 million doses of a new COVID-19 vaccine developed in Spain, it said Tuesday.
Aug 2, 2022
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Medications
Nasal antiviral blocks SARS-CoV-2 infection in mice
SARS-CoV-2, the virus that causes COVID-19, has continuously mutated since it emerged in late 2019. This rapid evolution poses challenges for vaccines and treatments designed to target the virus. A booster shot is now needed ...
Apr 16, 2022
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Vaccination
Model estimates who benefits most from frequent COVID-19 boosters
Patients kept asking a question that Nathan Lo, MD, Ph.D., infectious disease specialist, had a hard time answering: How often should I get my booster shot for COVID-19?
Mar 6, 2024
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Diseases, Conditions, Syndromes
Omicron infection just 20 days after Delta—the shortest known gap between infections
Researchers in Spain give details of a 31-year-old woman who caught COVID-19 twice within three weeks, in a case report being presented at this year's European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) ...
Apr 21, 2022
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Vaccination
Moderna or Pfizer booster works better for people vaccinated with J&J: study
People who received Johnson & Johnson's COVID-19 vaccine may benefit from a booster dose of Pfizer or Moderna, preliminary results of a US study published Wednesday showed.
Oct 14, 2021
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Vaccination
Can I get my flu shot and COVID booster at the same time? Yes, but know your symptoms
A spike in flu cases across the country, along with another COVID-19 surge, is leaving more people vulnerable to catching some form of disease—especially those who aren't vaccinated.
Jun 16, 2022
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Immunology
Neutralizing antibodies from single COVID-19 booster steadily decline
Neutralizing antibody levels against the original COVID-19 virus and omicron variants in vaccinated adults tend to decline by at least 15% per month after a single booster shot, a new study using serum from human blood samples ...
Sep 7, 2022
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Vaccination
Swiss cut COVID booster wait to four months
As concern swells over the highly transmissible coronavirus variant Omicron, Swiss authorities said Tuesday they were shortening the time people vaccinated against COVID need to wait before getting an additional dose.
Dec 21, 2021
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