About
- The NCIRD Bulletin highlights recent trends and summarizes important updates from CDC's National Center for Immunization and Respiratory Diseases (NCIRD).
- In addition, the NCIRD Bulletin shares timely information about CDC's role, information, and action related to certain public health issues and situations.
- Read these Bulletins to stay informed about developments related to infectious respiratory illnesses and vaccine-preventable diseases.
What's New
Previous updates
Sept 27, 2024 Getting Your Immunizations for the 2024-2025 Fall and Winter Virus Season | September and October are good times to get vaccinated, but you can still get vaccinated later in the year if you haven't received your vaccines.
Aug 27, 2024 2024-2025 Respiratory Disease Season Outlook | CDC expects the upcoming fall and winter respiratory virus season will likely have a similar or lower peak hospitalization burden caused by COVID-19, influenza, and RSV compared to last season.
Aug 23, 2024 Updated Hospital Reporting Requirements for Respiratory Viruses | CMS releases final Hospital Data Reporting rule.
Aug 19, 2024 KP.3.1.1 is the Predominant Variant as COVID-19 Activity Increases | COVID-19 activity continues to increase in many parts of the country with variant KP.3.1.1 as the predominant variant.
Aug 9, 2024 CDC's Influenza Risk Assessment Tool (IRAT) | The IRAT is an evaluation tool used to assess the future potential pandemic risk posed by influenza A viruses that currently circulate in animals but not in humans.
July 22, 2024 Whooping Cough Is on the Rise, Returning to Pre-Pandemic Trends | Cases of whooping cough, also known as pertussis, are rising in the United States, and are approaching pre-pandemic levels.
July 12, 2024 CDC Updates Vaccine Recommendations | CDC updates vaccine recommendations after an expert advisory panel met June 26-28.
July 11, 2024 CDC Issues Updated Guidance to Help Prevent Spread of Flu at Agricultural Fairs | Taking preventive actions at fairs can help protect exhibitors, visitors, and livestock from flu.
July 3, 2024 COVID-19 can surge throughout the year | COVID-19 peaks in the winter, like many other respiratory virus illnesses, but can also surge at other times of the year.
June 5, 2024 Summary of H5N1 Seroprevalence Studies | Human Infections with H5N1 bird flu viruses have been rare.
May 14, 2024 CDC Updates Respiratory Virus Dashboards | Read about updates to CDC's respiratory virus data dashboard.
May 8, 2024 CDC's Flu Surveillance Systems Can Detect Avian Influenza A(H5N1) Virus Infections | Read how CDC's flu surveillance systems can detect avian influenza A(H5N1) virus infections.
Apr 16, 2024 Cases of Meningococcal Disease Are Increasing in the United States | CDC issued an alert advising clinicians to maintain a heightened suspicion for meningococcal disease.
Apr 5, 2024 Update: Human Infection with Highly Pathogenic Avian Influenza A(H5N1) Virus in Texas | This is the first time this virus has been found in cows and the first case of cow-to-human bird flu.
Apr 2, 2024 Assessing Measles Outbreak Risk in the United States | CDC is creating models to show how measles outbreaks could occur and spread in the U.S.
Mar 22, 2024 Ventilation Can Reduce Exposure to Respiratory Viruses in Indoor Spaces | Steps for cleaner air to prevent the spread of respiratory viruses can be taken any time.
Mar 8, 2024 Measles in the United States — March 2024 | Measles can easily come to the U.S. by way of unvaccinated travelers; cases have been increasing.
Mar 1, 2024 CDC's Updated Respiratory Virus Guidance: What to Do When You Are Sick | CDC released updated Respiratory Virus Guidance in response to the decreasing risk of COVID-19.
Feb 23, 2024 The Changing Threat of COVID-19 | COVID-19 community transmission continues to surge periodically.
Feb 16, 2024 2023-2024 Respiratory Virus Season Is Likely Past Peak but Far from Over | While hospitalizations and deaths are below last season's, there is still time to get your vaccines.
Feb 9, 2024 CDC Tracks New SARS-CoV-2 Variant, BA.2.87.1 | As of February 8, no clinical cases of BA.2.87.1 have been identified in the United States.
Feb 1, 2024 COVID-19 Vaccine Effectiveness | New data show the updated COVID-19 vaccines were effective against COVID-19.
Jan 22, 2024 Influenza Viruses Spreading This Season and Update on JN.1 Variant | Hospitalizations due to COVID-19 continue to be higher than those from influenza and RSV.
Jan 12, 2024 CDC Tracks Hospital Capacity as Respiratory Diseases Continue to Spread | Hospital admissions for COVID-19, flu, and RSV remain elevated in many parts of the country.
Jan 5, 2024 COVID-19 Activity Increases as Prevalence of JN.1 Variant Continues to Rise | COVID-19 hospitalizations increased 20.4% the week ending December 30, 2023.
Dec 22, 2023 CDC Continues to Track the Growth of JN.1 | Current COVID-19 vaccines, tests, and treatments remain effective against JN.1.
Dec 21, 2023 If You Get Sick with COVID-19, Antiviral Treatments Can Protect You Against Severe Illness | While these antivirals are effective at preventing severe disease, not enough people are taking them.
Dec 14, 2023 Peak Season for Respiratory Diseases Is Near: There Is Still Time to Get Vaccinated | Low vaccination rates leave people at greater risk of serious illness.
Dec 8, 2023 Update on SARS-CoV-2 Variant JN.1 Being Tracked by CDC | JN.1 is appearing on the Nowcast separately for the first time.
Dec 6, 2023 Using Wastewater Data to Inform Public Health Action | CDC launched a new data dashboard that makes it easier to interpret and use wastewater data.
Dec 1, 2023 Pediatric Pneumonia Update | Diagnosis of pneumonia in children increases every year in the fall and winter months.
Nov 27, 2023 Update on SARS-CoV-2 Variant BA.2.86 Being Tracked by CDC | CDC is working to better understand BA.2.86 and its potential impact on public health.
Nov 22, 2023 COVID-19 Vaccine Uptake and CDC's Commitment to Vaccine Equity | National Immunization Survey data show disparities in vaccine uptake by race and ethnicity.
Nov 21, 2023 VAERS: A Critical Part of the National Vaccine Safety System | VAERS is an early-warning monitoring system for vaccine safety.
Nov 9, 2023 Take Steps to Help You Stay Healthy During the Holidays | Here's an action plan you can take to help you stay healthy during the holidays.
Nov 2, 2023 What to Know About Getting Flu, COVID-19, and RSV Vaccines at the Same Time | You don't need to wait a specific amount of time after the previous vaccine to get your next one.
Oct 30, 2023 October Update – 2023-2024 Respiratory Disease Season Outlook | CDC anticipates a similar number of hospitalizations as last season.
Oct 27, 2023 Variants Happen | Updated vaccines should work well against currently circulating SARS-CoV-2 variants.
Oct 19, 2023 How to Get Your Flu, COVID-19, and RSV Vaccines This Year | Vaccination against flu, COVID-19, and RSV is the best way to reduce your risk of severe illness.
Oct 13, 2023 5 Things You Should Know about COVID-19 Vaccines | COVID-19 vaccines have undergone the most intense vaccine safety monitoring in U.S. history.
Sep 29, 2023 Immunization Overview for Fall and Winter 2023-2024 | For the first time ever, immunizations are available to help protect against COVID-19, flu, and RSV.
Sep 29, 2023 Respiratory Virus Vaccination for Pregnant People | Pregnant people should stay up to date with recommended vaccinations against respiratory viruses.
Sep 22, 2023 RSV Update and Vaccine Recommendations | CDC recommends an RSV vaccine for people who are 32-36 weeks pregnant to protect their babies.
Sep 15, 2023 SARS-CoV-2 Variant BA.2.86 Being Tracked by CDC | The BA.2.86 variant does not appear to be increasing or driving increases in infections.
Sep 14, 2023 Respiratory Disease Season Outlook - Summary | For the first time in US history, vaccines for all three major respiratory viruses will be available
Sep 12, 2023 Updated COVID-19 Vaccine Recommendations Are Now Available | The updated vaccines should work well against currently circulating variants of COVID-19.
Sep 8, 2023 Update on SARS CoV-2 Variant BA.2.86 | People will likely be protected against severe disease from SARS-Cov-2 variants.
Sep 8, 2023 What We Can Learn from Flu in the Southern Hemisphere | Different flu viruses may spread more commonly in different parts of the world.
Aug 30, 2023 SARS CoV-2 Variant BA.2.86 | Since CDC's initial risk assessment, this variant has been identified in additional countries.
Aug 23, 2023 Risk Assessment Summary for SARS CoV-2 Sublineage BA.2.86 | CDC has detected a new SARS-CoV-2 variant labeled BA.2.86. Protect yourself from infection.