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Infectious Diseases
An illness caused by an infectious agent or its toxins that occurs through the direct or indirect transmission of the infectious agent or its products from an infected individual or via an animal, vector or the inanimate environment to a susceptible animal or human host. Examples include, but are not limited to, Influenza; COVID-19; HIV; Avian Flu; Mpox; Anthrax, and others.
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (U.S.). Division of HIV/AIDS Prevention
2026/07/23
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HIV Surveillance Report
The Ending the HIV Epidemic in the U.S. (EHE) initiative leverages critical scientific advances in HIV prevention, diagnosis, treatment, and outbreak response. These tables provide preliminary data on HIV diagnoses and linkage to HIV medical care for the years 2025 and 2026 based on cases reported to CDC as of March 2026.
Executive Summary: The Centers for Disease Control and Prevention (CDC), a component of the U.S. Department of Health and Human Services (HHS), issues this Order pursuant to Sections 362 and 365 of the Public Health Service (PHS) Act, 42 U.S.C. §§ 265, 268, and their implementing regulations. This Order suspends the right to introduce “covered alie
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Centers for Disease Control and Prevention (U.S.). National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
2026/05/18
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National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
The Centers for Disease Control and Prevention (CDC), and the Department of Homeland Security (DHS), and other appropriate federal agencies, are taking proactive measures to protect the health and safety of the American public in response to ongoing Ebola Virus Disease (EVD) outbreaks.Under authority granted by Sections 362 and 365 of the Public He
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National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (U.S.). Division of HIV/AIDS Prevention
2026/05/18
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HIV Surveillance Report
This data release presents results of focused analyses of 2024 National HIV Surveillance System (NHSS) data used to measure and monitor progress toward national HIV prevention and care goals in the United States and 7 territories and freely associated states (American Samoa, Commonwealth of the Northern Mariana Islands, Guam, Puerto Rico, Republic
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National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (U.S.). Division of HIV/AIDS Prevention
2026/05/18
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HIV Surveillance Report
This release provides data on HIV diagnoses, deaths, and diagnosed prevalence in the United States and 7 territories and freely associated states (American Samoa, Commonwealth of the Northern Mariana Islands, Guam, Puerto Rico, Republic of the Marshall Islands, Republic of Palau, and U.S. Virgin Islands. This data release presents results of focuse
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National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (U.S.). Division of HIV/AIDS Prevention
2026/05/18
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HIV Surveillance Report
This slide set presents data reported to the National HIV Suvreillance System on cases of HIV infection classified as Stage 3 (AIDS). The slides summarize trends in classifications, prevalence, and deaths. Data are stratified by key demographic and risk characteristics such as age, sex, race/ethnicity, transmission category, and MSA.
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (U.S.). Division of HIV/AIDS Prevention
2026/05/18
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HIV Surveillance Report
This data release presents results of focused analyses of 2024 National HIV Surveillance System (NHSS) data used to measure and monitor progress toward national HIV prevention and care goals in the United States and 7 territories and freely associated states (American Samoa, Commonwealth of the Northern Mariana Islands, Guam, Puerto Rico, Republic
...
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (U.S.). Division of HIV/AIDS Prevention
2026/05/18
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HIV Surveillance Report
These tables provides data on HIV diagnoses, deaths, and diagnosed prevalence in the United States and 7 territories and freely associated states (American Samoa, Commonwealth of the Northern Mariana Islands, Guam, Puerto Rico, Republic of the Marshall Islands, Republic of Palau, and U.S. Virgin Islands. This data release presents results of focuse
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National Center for Emerging and Zoonotic Infectious Diseases (U.S.).
2026/05/14
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National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
Purpose: The purpose of this document is to support health departments in managing individuals who have experienced a potential exposure associated with the M/V Hondius Andes virus outbreak. Andes virus is a type of hantavirus and the only type that is known to spread person-to-person.Thisinterim guidance reflects current evidence as of May 14, 202
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National Center for Immunization and Respiratory Diseases. Division of Viral Diseases
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2026/05/11
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Be Ready for Measles Toolkit
El sarampión puede ser peligroso, especialmente para bebés y niños pequeños. Los síntomas del sarampión suelen incluir: fiebre alta (puede superar los 104°F); Tos; Moco nasal; ojos rojos y/o llorosos; y erupción (brota 3-5 días después de que empiezan los síntomas).El sarampión puede ser grave. El sarampión puede causar complicaciones graves de sal
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National Center for Immunization and Respiratory Diseases. Division of Viral Diseases
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2026/05/11
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Be Ready for Measles Toolkit
Refer to this summary table to find the MMR recommendations based on age and status. Age groups include 6 to 11 months old; 1 to 6 years old; 7 to 18 years old; adults over 18; and people who are pregnant.
National Center for Immunization and Respiratory Diseases. Division of Viral Diseases
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2026/05/11
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Be Ready for Measles Toolkit
¿Viajará pronto? El sarampión puede ser grave. [1080x1350]. Asegúrese de que su familia esta protegida con la vacuna contra el sarampión, las paperas y la rubéola (MMR o triple viral).
National Center for Immunization and Respiratory Diseases. Division of Viral Diseases
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2026/05/11
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Be Ready for Measles Toolkit
¿Viajará pronto? El sarampión puede ser grave. [1080x1080]. Asegúrese de que su familia esta protegida con la vacuna contra el sarampión, las paperas y la rubéola (MMR o triple viral).
National Center for Immunization and Respiratory Diseases. Division of Viral Diseases
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2026/05/11
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Be Ready for Measles Toolkit
¿Viajará pronto? El sarampión puede ser grave. [1200x675]. Asegúrese de que su familia esta protegida con la vacuna contra el sarampión, las paperas y la rubéola (MMR o triple viral).
National Center for Immunization and Respiratory Diseases. Division of Viral Diseases
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2026/05/11
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Be Ready for Measles Toolkit
¿Viajará pronto? El sarampión puede ser grave. [1600x900]. Asegúrese de que su familia esta protegida con la vacuna contra el sarampión, las paperas y la rubéola (MMR o triple viral).
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