![Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech and Moderna COVID-19 Vaccines Among Health Care Personnel — 33 U.S. Sites, January–March 2021 | MMWR Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech and Moderna COVID-19 Vaccines Among Health Care Personnel — 33 U.S. Sites, January–March 2021 | MMWR](https://www.cdc.gov/mmwr/volumes/70/wr/social-media/mm7020e2_EffectivenessPfizerModernaHCP_IMAGE_14May21_1200x627.jpg?_=36679)
Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech and Moderna COVID-19 Vaccines Among Health Care Personnel — 33 U.S. Sites, January–March 2021 | MMWR
![Syringe size and supply issues continue to waste COVID-19 vaccine doses in United States | Science | AAAS Syringe size and supply issues continue to waste COVID-19 vaccine doses in United States | Science | AAAS](https://www.science.org/do/10.1126/science.abi6931/abs/Vaccine_waste_1280x720.jpg)
Syringe size and supply issues continue to waste COVID-19 vaccine doses in United States | Science | AAAS
![Moderna sues Pfizer and BioNTech, alleges companies violated mRNA patents with COVID vaccines | PBS NewsHour Moderna sues Pfizer and BioNTech, alleges companies violated mRNA patents with COVID vaccines | PBS NewsHour](https://d3i6fh83elv35t.cloudfront.net/static/2022/04/2022-04-27T204053Z_1092844527_RC2VVT9IKFJY_RTRMADP_3_HEALTH-CORONAVIRUS-MODERNA-CHILDREN-1024x683.jpg)