![Safety Monitoring of an Additional Dose of COVID-19 Vaccine — United States, August 12–September 19, 2021 | MMWR Safety Monitoring of an Additional Dose of COVID-19 Vaccine — United States, August 12–September 19, 2021 | MMWR](https://www.cdc.gov/mmwr/volumes/70/wr/figures/mm7039e4-F-large.gif?_=54526)
Safety Monitoring of an Additional Dose of COVID-19 Vaccine — United States, August 12–September 19, 2021 | MMWR
![Vaccines | Free Full-Text | Side Effects and Perceptions Following COVID-19 Vaccination in Jordan: A Randomized, Cross-Sectional Study Implementing Machine Learning for Predicting Severity of Side Effects Vaccines | Free Full-Text | Side Effects and Perceptions Following COVID-19 Vaccination in Jordan: A Randomized, Cross-Sectional Study Implementing Machine Learning for Predicting Severity of Side Effects](https://www.mdpi.com/vaccines/vaccines-09-00556/article_deploy/html/images/vaccines-09-00556-g001.png)
Vaccines | Free Full-Text | Side Effects and Perceptions Following COVID-19 Vaccination in Jordan: A Randomized, Cross-Sectional Study Implementing Machine Learning for Predicting Severity of Side Effects
![Vaccinated with Pfizer-BioNTech or Moderna vaccines? Make sure to get your second shot : Oregon Health News Blog Vaccinated with Pfizer-BioNTech or Moderna vaccines? Make sure to get your second shot : Oregon Health News Blog](https://i0.wp.com/covidblog.oregon.gov/wp-content/uploads/2021/04/side-effects-are-a-sign-the-vaccine-is-working.png?resize=800%2C800&ssl=1)
Vaccinated with Pfizer-BioNTech or Moderna vaccines? Make sure to get your second shot : Oregon Health News Blog
![No evidence showing Moderna booster shot causes more severe side effects than its first two doses | localmemphis.com No evidence showing Moderna booster shot causes more severe side effects than its first two doses | localmemphis.com](https://media.tegna-media.com/assets/WATN/images/c5542175-76c2-4c96-9b30-3ff6b082d4e0/c5542175-76c2-4c96-9b30-3ff6b082d4e0_1920x1080.jpg)
No evidence showing Moderna booster shot causes more severe side effects than its first two doses | localmemphis.com
![Why are women and younger people having more side effects to Pfizer or Moderna vaccine? UCSF doctor explains - ABC7 Chicago Why are women and younger people having more side effects to Pfizer or Moderna vaccine? UCSF doctor explains - ABC7 Chicago](https://cdn.abcotvs.com/dip/images/10526416_041721-kgo-coronavirus-youth-side-effects-img.jpg?w=1600)
Why are women and younger people having more side effects to Pfizer or Moderna vaccine? UCSF doctor explains - ABC7 Chicago
![COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases](https://www.thelancet.com/cms/attachment/372ade5e-5f14-48a9-b960-4b5767839337/gr1_lrg.jpg)