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2. COVID-19 vaccination in the United States - Wikipedia

   en.wikipedia.org/wiki/COVID-19_vaccination_in...

   The COVID-19 vaccination campaign in the United States is an ongoing mass immunization campaign for the COVID-19 pandemic in the United States. The Food and Drug Administration (FDA) first granted emergency use authorization to the Pfizer–BioNTech vaccine on December 10, 2020, [7] and mass vaccinations began four days later.

3. COVID-19 pandemic in Colorado - Wikipedia

   en.wikipedia.org/wiki/COVID-19_pandemic_in_Colorado

   The COVID-19 pandemic reached Colorado on March 5, 2020, when the state's first two cases were confirmed. Many of the early COVID-19 cases in Colorado occurred in mountain resort towns such as Crested Butte, Aspen, and Vail, apparently brought in, and sometimes taken home, by international ski tourists. [3] In late 2020 a COVID-19 surge began ...

4. COVID-19 Vaccines - WebMD

   www.webmd.com/vaccines/covid-19-vaccine/covid-19...

   The vaccine should slow the spread of COVID-19 around the world. Fewer people should get sick, and more lives can be saved. The Pfizer, Moderna, and Novavax vaccines have been shown to be at least ...

5. Coronavirus Symptoms: Early Signs, Serious Symptoms - WebMD

   www.webmd.com/covid/covid-19-symptoms

   People aged 12 and above who got coronavirus vaccines before September 12, 2022: 1 dose of any of the 3 newer vaccines Children aged 5-11, regardless of previous vaccine status: 1 dose of Pfizer ...

6. How the Different Types of COVID-19 Vaccines Work - Healthline

   www.healthline.com/.../types-of-covid-vaccines

   The four types of COVID-19 vaccines being used around the world are: messenger RNA (mRNA) vaccines. viral vector vaccines. protein subunit vaccines. whole virus vaccines. The table below provides ...

7. Is the COVID-19 Vaccine Safe? Short- and Long-Term Effects

   www.healthline.com/health/is-the-coronavirus...

   The short-term side effects of the authorized COVID-19 vaccines are similar. The side effects typically start within a day or two of getting the vaccine and may include: pain, redness, or swelling ...

8. How to Tell If You're Fully Vaccinated Against COVID-19

   www.healthline.com/health/what-does-fully...

   Trusted Source. . The CDC considers people ages 12 and up fully vaccinated if they’ve received one of the updated bivalent boosters. In other words, if you got one of the original booster shots ...

9. COVID-19 vaccine - Wikipedia

   en.wikipedia.org/wiki/COVID-19_vaccine

   A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 , the virus that causes coronavirus disease 2019 . Prior to the COVID‑19 pandemic , an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...