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Website accessed Feb. 6, 2025
Accessed January 13.2025
Almost half of the world's population, about 4 billion people, live in areas with a risk of dengue. Anyone who lives in or travels to an area with risk of dengue is at risk for infection.Before you travel, find country-specific travel information to help you plan ... more
Casi la mitad de la población mundial, alrededor de 4000 millones de personas, vive en áreas con riesgo de dengue. Cualquier persona que viva en un área con riesgo de dengue o viaje a ella está en riesgo de contraer la infección. Antes de viajar, busque información para viajeros específica ... more
Key facts
Fact Sheet
Fact Sheet
DPDx Laboratory Identification of Parasites of Public Health Concerns Including Life cycle
Clinical Management in dengue-endemic areas
​The CDC webpage on the clinical features of malaria outlines the disease's presentation, categorizing it into uncomplicated and severe forms, and ... more
Respiratory viruses are viruses that cause illnesses in the respiratory system. These illnesses share similar symptoms, risk factors, and prevention strategies.
Diagram of the malaria lifecycle, including mosquito, human liver, and human blood stages. The diagram also illustrates infective vs diagnostic stages of the parasite's lifecycle. Also included are the temporal views of both p. falciparum ... more
CDC leads an international surveillance effort to estimate the occurrence of HIV drug resistance among people with HIV who are taking dolutegravir (DTG)-based treatments. This surveillance effort utilizes Cyclical Acquired HIV Drug Resistance Surveillance (CADRE), a laboratory-based HIV drug resista ... more

Conducting a Field Investigation

King Mich.; Bensyl D.; Goodman R.; Rasmussen S. Center for Disease Control and Prevention CDC (2025) C_CDC
This chapter describes the step-by-step process required in performing an epidemiologic field investigation. The 10 steps covered here build on and further refine the steps that have been taught traditionally in the Centers for ... more
Here you will find a playlist of different videos produced by the CDC with the topic HIV/AIDS
The website presents the CDC Field Epidemiology Manual, a practical resource developed by the Centers for Disease Control and ... more
The text explains the National Outbreak Reporting System (NORS), a surveillance system used in the United States to collect and analyze data about disease outbreaks. It describes how health departme ... more
The document provides guidance from the CDC on conducting an Operational Readiness Review (ORR) within the Public Health Emergency Preparedness (PHEP) cooperative agreement. It outlines the purpose, structure, and evaluation criteria used to assess ... more
Factsheet For Health Care Providers
for health care providers