Resources with keywords: outbreak
40 U.S. jurisdictions affected. 93% of cases are outbreak-associated, reflecting sustained community transmission that increases HCW exposure probability in emergency departments and outpatient settings. Hospital infection control programs should activate measles exposure response protocols and review airborne infection isolation room (AIIR) availability. 9 cases in international visitors documented, reinforcing airport and port-of-entry health screening relevance.
CDC has updated interenational travel recommendations for an increased number of countries to “Level 2 – Practice Enhanced Precautions”. This page will be updated reguarly based on circulating polio cases.
CDC is issuing this Health Alert Network (HAN) Health Advisory to share information and notify clinicians, public health authorities, and the public about recent New World screwworm (NWS) animal cases in the Mexican state of Tamaulipas, which shares a border with the U.S. state of Texas.
On September 8, 2025, CDC issued a Travel Health Notice for people traveling to the Democratic Republic of the Congo.
provides charts/graphs of updated measles cases
Data on measles cases/outbreak will be updated every Wednesday. Includes community resources (toolkit, care of children with measles) map, history of measles outbreaks.
Jobe NB, Rose E, Winn AK, Goldstein L, Schneider ZD, Silk BJ.
Circulation of both hMPV and RSV declined significantly during the 2020–21 respiratory virus season when the COVID-19 pandemic began.
Goetzman J, Carter A, Oliveira A, Ingram LA
In June 2023, a total of 47 cases of cyclosporiasis were associated with consumption of food from a Mexican-style restaurant in Alabama. Analysis of case-control data identified cilantro as the likely food source. Collaboration among multiple states and their respective agencies enabled successful traceback of cilantro to a source in Mexico.
Shakya M, Chu HY, Englund JA, et al.
In this community cohort study including participants aged 6 months–49 years, average incidence of symptomatic hMPV infection was 7.5 per 100 persons per year. Incidence was highest during January–March and among children aged 2–4 years, and clustered in households. Although most infections caused mild illness, 27% were associated with absenteeism from work, school, or a child care facility.
This guidance refers only to the following viral hemorrhagic fevers: Ebola, Marburg, Lassa, Crimean Congo Hemorrhagic Fever (CCHF), and the South American Hemorrhagic Fevers (i.e., those caused by Junin, Machupo, Chapare, Guanarito and Sabia viruses).
