![Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR](https://www.cdc.gov/mmwr/volumes/71/wr/social-media/mm7148e1-BivalentBooster_IMAGE_22NOV2022_1200x675.jpg?_=65732)
Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR
![COVID-19 Incidence and Death Rates Among Unvaccinated and Fully Vaccinated Adults with and Without Booster Doses During Periods of Delta and Omicron Variant Emergence — 25 U.S. Jurisdictions, April 4–December 25, 2021 | MMWR COVID-19 Incidence and Death Rates Among Unvaccinated and Fully Vaccinated Adults with and Without Booster Doses During Periods of Delta and Omicron Variant Emergence — 25 U.S. Jurisdictions, April 4–December 25, 2021 | MMWR](https://www.cdc.gov/mmwr/volumes/71/wr/social-media/mm7104e2_IncidenceDeathRatesOmicron_IMAGE_21Jan22_1200x675-medium.jpg?_=63959)
COVID-19 Incidence and Death Rates Among Unvaccinated and Fully Vaccinated Adults with and Without Booster Doses During Periods of Delta and Omicron Variant Emergence — 25 U.S. Jurisdictions, April 4–December 25, 2021 | MMWR
![COVID-19 Vaccine Makers Plan for Annual Boosters, but It's Not Clear They'll Be Needed | Public Health | JAMA | JAMA Network COVID-19 Vaccine Makers Plan for Annual Boosters, but It's Not Clear They'll Be Needed | Public Health | JAMA | JAMA Network](https://assets.change.org/photos/5/uz/gd/EVUzgDLmsEpNtjN-800x450-noPad.jpg?1635273811)
COVID-19 Vaccine Makers Plan for Annual Boosters, but It's Not Clear They'll Be Needed | Public Health | JAMA | JAMA Network
![Early Estimates of Bivalent mRNA Vaccine Effectiveness in Preventing COVID-19–Associated Emergency Department or Urgent Care Encounters and Hospitalizations Among Immunocompetent Adults — VISION Network, Nine States, September–November 2022 | MMWR Early Estimates of Bivalent mRNA Vaccine Effectiveness in Preventing COVID-19–Associated Emergency Department or Urgent Care Encounters and Hospitalizations Among Immunocompetent Adults — VISION Network, Nine States, September–November 2022 | MMWR](https://www.cdc.gov/mmwr/volumes/71/wr/social-media/mm715152e1_BivalentVaccineEffectiveness_IMAGE_16Dec2022_1200x675.jpg?_=42783)
Early Estimates of Bivalent mRNA Vaccine Effectiveness in Preventing COVID-19–Associated Emergency Department or Urgent Care Encounters and Hospitalizations Among Immunocompetent Adults — VISION Network, Nine States, September–November 2022 | MMWR
![Coronavirus FAQ: How long does post-COVID protection last? When is booster time? : Goats and Soda : NPR Coronavirus FAQ: How long does post-COVID protection last? When is booster time? : Goats and Soda : NPR](https://media.npr.org/assets/img/2024/01/26/covidfaq_cartoon-msilver-_final-555388cd8ef654916258d115ef437201d2e12be4.png)