Skip to main content
COVID-19 | Older Adult

Risk Explainer — Adults 65+

COVID-19 continues to pose a serious health threat, especially for older adults who are more likely to get very sick from COVID-19 and be hospitalized. The good news is adults 65 years of age and older can reduce their risk of severe illness by receiving recommended vaccinations, including another dose of the 2024–2025 COVID-19 vaccine six months after their first dose.
Last Updated 04/18/2025
Risk Explainer — Adults 65+

Infectious Respiratory Diseases | COVID-19 | Flu | Vaccines

Explainer Video: How Viruses Change

Last Updated 04/18/2025
Immunocompromised | COVID-19

Risk Explainer — Immunocompromised Adults

COVID-19 continues to pose a serious health threat to people who are moderately or severely immunocompromised and more likely to get very sick from COVID-19. The good news is people with weakened immune systems can reduce their risk of severe illness and hospitalization by receiving recommended vaccines, including another dose of the 2024-2025 COVID-19 vaccine six months after their first dose.
Last Updated 04/18/2025
Risk Explainer — Immunocompromised Adults
| COVID-19 | Infectious Respiratory Diseases | Vaccines

Posters: Stay Protected with an Additional COVID-19 Vaccine Dose

Last Updated 04/18/2025
Posters: Stay Protected with an Additional COVID-19 Vaccine Dose
COVID-19 | Infectious Respiratory Diseases | Vaccines

COVID-19 is a Year-Round Threat

While COVID-19 cases often increase during the winter, past years have shown that surges can happen any time of year. You can reduce your risk of severe illness by receiving recommended vaccines.
Last Updated 04/18/2025
COVID-19 is a Year-Round Threat
CDC Guidance | COVID-19 | Flu | Pertussis (Whooping Cough) | Pneumococcal Disease | RSV | Vaccines

Infectious Respiratory Disease Immunization Timeline: Vaccine Considerations for Adults with Increased Risk

The best protection against many infectious respiratory illnesses is immunization. Immunizations can help provide protection, build our immune response, and can limit the severity, spread, and widespread threat of disease.
Last Updated 03/20/2025
Infectious Respiratory Disease Immunization Timeline: Vaccine Considerations for Adults with Increased Risk
CDC Guidance | COVID-19 | Flu | Pertussis (Whooping Cough) | Pneumococcal Disease | Pregnancy | RSV | Vaccines

Infectious Respiratory Disease Immunization Timeline: Vaccine Considerations for Pregnant Adults

The best protection against many infectious respiratory illnesses is immunization. Immunizations can help provide protection, build our immune response, and can limit the severity, spread, and widespread threat of disease.
Last Updated 03/20/2025
Infectious Respiratory Disease Immunization Timeline: Vaccine Considerations for Pregnant Adults
CDC Guidance | COVID-19 | Flu | Older Adult | Pertussis (Whooping Cough) | Pneumococcal Disease | RSV | Vaccines

Infectious Respiratory Disease Immunization Timeline: Older Adults (Ages 50+)

The best protection against many infectious respiratory illnesses is immunization. Immunizations can help provide protection, build our immune response, and can limit the severity, spread, and widespread threat of disease.
Last Updated 03/20/2025
Infectious Respiratory Disease Immunization Timeline: Older Adults (Ages 50+)
CDC Guidance | COVID-19 | Flu | Pertussis (Whooping Cough) | Pneumococcal Disease | RSV | Vaccines

Infectious Respiratory Disease Immunization Timeline: Adults (Ages 18-49)

The best protection against many infectious respiratory illnesses is immunization. Immunizations can help provide protection, build our immune response, and can limit the severity, spread, and widespread threat of disease.
Last Updated 03/20/2025
Infectious Respiratory Disease Immunization Timeline: Adults (Ages 18-49)
CDC Guidance | Childhood | COVID-19 | Flu | Pertussis (Whooping Cough) | Pneumococcal Disease | RSV | Vaccines

Infectious Respiratory Disease Immunization Timeline: Children and Adolescents (Ages 6-17)

The best protection against many infectious respiratory illnesses is immunization. Immunizations can help provide protection, build our immune response, and can limit the severity, spread, and widespread threat of disease.
Last Updated 03/20/2025
Infectious Respiratory Disease Immunization Timeline: Children and Adolescents (Ages 6-17)