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CDC Guidance

February 2, 2026

CDC Guidance

CDC Provides New "Up to Date" Definition for COVID Vaccination

Effective for the NHSN reporting period that began on Dec. 29, 2025, individuals aged 65 years and older are considered “up to date” with COVID vaccination if they have received two doses of the 2025-2026 vaccine or at least one dose in the past six months. Individuals under the age of 65 are considered up to date if they have received one dose of the 2025-2026 vaccine.

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October 14, 2025

CDC Guidance

CDC Adopts ACIP COVID Vaccine Recommendations

Individuals age 6 months and older are now recommended to undertake shared decision-making with a clinician when considering whether to receive a COVID vaccination.

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September 23, 2025

CDC Guidance

ACIP Narrows COVID-19 Vaccination Recommendations

ACIP now recommends COVID-19 vaccination for adults aged 65 and older and younger individuals only through shared decision-making with their health care providers.

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March 10, 2025

CDC Guidance

Many Older Adults Ready for Second Dose of COVID Vaccine

Older adults and individuals who are moderately or severely immunocompromised are due for a second dose of the 2024-25 COVID vaccine if they received their first dose six months ago. 

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October 29, 2024

CDC Guidance

CDC Recommends Second Dose of COVID-19 Vaccine for Vulnerable Populations

The CDC recommends that vulnerable populations should receive a second dose of the 2024-2025 COVID-19 vaccine.

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August 27, 2024

CDC Guidance

New CDC COVID-19 2024-2025 Vaccination and Other Respiratory Illness Resources

The CDC continues to provide updated resources with the respiratory virus season just around the corner.

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July 2, 2024

CDC Guidance

CDC Recommends Updated 2024-2025 COVID-19 and Flu Vaccines for Fall/Winter Virus Season

The CDC recommends that everyone ages 6 months and older receive an updated 2024-2025 COVID-19 vaccine and an updated 2024-2025 flu vaccine to protect against the potentially serious outcomes of COVID-19 and flu this fall and winter.

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March 11, 2024

CDC Guidance

New CDC "Up to Date" COVID-19 Vaccination Status Definition

The second COVID-19 shot recommended by the CDC on Feb. 28, 2024 for all adults aged 65 and older is now required for these individuals to be considered up to date with COVID-19 vaccination.

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July 18, 2023

CDC Guidance

HHS Transitioning COVID-19 Vaccine to Commercial Distribution; Manufacturers to Distribute Updated Vaccines in the Fall

HHS will suspend distribution of the bivalent COVID-19 vaccines on Aug. 3rd. Pfizer, Moderna, and Novavax are preparing updated COVID-19 vaccine formulations targeting the currently dominant variant for fall distribution.

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April 25, 2023

CDC Guidance

FDA Approves and CDC Recommends Single Bivalent mRNA Vaccine

Original monovalent mRNA COVID-19 vaccine no longer authorized in U.S.

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