Yahoo Web Search

Search results

  1. Nov 3, 2023 · In December 2020, the Pfizer-BioNTech COVID-19 vaccine two-dose series was found to be both safe and 91% to 95% effective in preventing COVID-19 infection in people age 18 and older. This data helped predict how well the vaccines would work for younger people.

  2. Feb 1, 2024 · New data from CDC show that the updated COVID-19 vaccines were effective against COVID-19 during September 2023 – January 2024, including against variants from the XBB lineage, which is included in the updated vaccine, and JN.1, a new variant that has become dominant in recent weeks.

  3. Nov. 9 Preliminary data indicates the Pfizer vaccine is over 90 percent effective, with no serious side effects. The final data from the trial shows the efficacy rate is 95 percent.

  4. Mar 5, 2024 · Vaccine effectiveness can differ by the type of vaccine product, total number of vaccine doses received, and how long it has been since the most recent vaccine dose was received. Vaccine effectiveness might also differ in high-risk populations, such as older individuals or those with immunocompromising conditions.

  5. Mar 11, 2021 · The latest analysis from the MoH proves that two weeks after the second vaccine dose protection is even stronger – vaccine effectiveness was at least 97% in preventing symptomatic disease, severe/critical disease and death.

  6. Sep 15, 2023 · All of the Pfizer/BioNTech and Moderna COVID-19 vaccines — the originals, the bivalent boosters and the latest updates — use the same mRNA technology to trigger an immune response to the spike...

  7. Aug 18, 2022 · The vaccine remains effective against virus variants, though for the Omicron variant, vaccine effectiveness against severe and mild disease after two doses is lower compared to Delta, and waning is more rapid. Therefore, a third dose (first booster) is recommended for all adults, and a second booster for the highest priority-use groups.

  1. People also search for