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2. Which COVID-19 Vaccine Is Best? - Healthline

   www.healthline.com/.../which-covid-vaccine-is-best

   The CDC recommends that everyone ages 5 and older should be vaccinated against COVID-19. As of writing, the Pfizer vaccine is the only vaccine that’s authorized for children. Currently, all ...

3. Chart: COVID Vaccines Compared - WebMD

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

   The Pfizer, Moderna, Novavax, and Johnson & Johnson vaccines are all highly effective in protecting you from the virus that causes COVID-19. The CDC says there’s a preference for the mRNA ...

4. 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 ...

5. AstraZeneca Vaccine: What You Need to Know - Healthline

   www.healthline.com/health/adult-vaccines/astra...

   The AstraZeneca COVID-19 vaccine, now called Vaxzevria, is a viral vector vaccine, just like the Johnson & Johnson vaccine. It uses a chimpanzee adenovirus to carry spike proteins from the ...

6. History of COVID-19 vaccine development - Wikipedia

   en.wikipedia.org/wiki/History_of_COVID-19...

   SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2), the virus that causes COVID-19, was isolated in late 2019. [1] Its genetic sequence was published on 11 January 2020, triggering an urgent international response to prepare for an outbreak and hasten the development of a preventive COVID-19 vaccine.

7. 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 ...

8. Moderna COVID-19 vaccine - Wikipedia

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

   The Moderna COVID‑19 vaccine, sold under the brand name Spikevax, is a COVID-19 vaccine developed by the American company Moderna, the United States National Institute of Allergy and Infectious Diseases (NIAID), and the Biomedical Advanced Research and Development Authority (BARDA). Depending on the jurisdiction, it is authorized for use in ...

9. 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 ...