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Accessed January 13.2025
Key facts
DPDx Laboratory Identification of Parasites of Public Health Concerns
Including Life cycle
The CDC webpage on the clinical features of malaria outlines the disease's presentation, categorizing it into uncomplicated and severe forms, and emphasizes that prompt and accurate diagnosis and treatment can lead to a cure.
El documento proporciona información básica sobre la malaria (paludismo), una enfermedad grave causada por un parásito que se transmite a través de la picadura de ciertos mosquitos, describe sus síntomas principales, cómo se diagnostica y trata, y ofrece recomendaciones de prevención, especia
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lmente para quienes viajan a zonas donde la enfermedad es común.
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The CDC's "Malaria's Impact Worldwide" webpage provides an overview of malaria's global burden, highlighting that in 2022, there were approximately 249 million malaria cases and 608,000 deaths, predominantly among young children in sub-Saharan Africa. It emphasizes that nearly half the world's po
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pulation is at risk, with malaria being a leading cause of illness and death in many affected countries. The page also discusses the significant economic and social costs of malaria on individuals, families, communities, and nations. Despite progress in reducing mortality rates by 36% from 2010 to 2020, recent years have seen a plateau in advancements, underscoring the need for ongoing vigilance and research.
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Determination of Parasitemia and Lifecycle
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 and p. vivax.
The CDC Yellow Book is the Centers for Disease Control and
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Prevention's comprehensive reference guide to health issues related to international travel. It provides evidence-based recommendations and practical guidance for healthcare professionals advising travellers, as well as for travellers themselves. Topics covered include country-specific vaccination requirements, the prevention and treatment of infectious diseases, malaria prophylaxis, food and water safety, the management of travel-related conditions, and guidance for special populations, such as children, pregnant travellers and individuals with chronic illnesses. Updated every two years, the Yellow Book synthesises global surveillance data, World Health Organization guidelines and CDC expertise to help prevent illness and injury during international travel. Serving as both an authoritative clinical tool and a public health resource, it ensures safe and healthy travel worldwide.
Accessed on 27/08/2025.
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The document provides a standardized protocol for evaluating the Early Warning Alert and Response Network (EWARN), a surveillance system used during humanitarian emergencies when regular national health surveillance may be disrupted. The purpose of
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EWARN is to detect outbreaks of communicable diseases early and enable rapid public health response. The guidance explains how the system should be assessed in terms of its structure, implementation, effectiveness, and usefulness. It outlines the key steps of evaluation: preparation, system description, data collection, and post-evaluation reporting. The protocol highlights common challenges observed in previous EWARN implementations, such as delays in establishing the system, limited data quality, weak outbreak response, and lack of clear transition plans back to routine surveillance systems. It emphasizes the need to evaluate both weekly disease reporting and alert verification processes, and to review attributes such as simplicity, data quality, timeliness, sensitivity, and stability. The document also provides templates for interviews, data review forms, and laboratory assessment, as well as guidance on conducting remote evaluations when access is limited. The overall goal of the protocol is to ensure that EWARN functions effectively to detect and respond to outbreaks and that practical recommendations are developed to improve the system’s performance and sustainability in emergency settings.
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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
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nce monitoring process.
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Consumer Info Sheet
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
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Control and Prevention (CDC). It provides guidance for epidemiologists and public health professionals on how to investigate and respond to disease outbreaks and other public health events. The manual covers key topics such as outbreak investigation methods, surveillance systems, data collection and analysis, laboratory support, risk communication, and emergency response in various settings. It is designed as a hands-on reference to support evidence-based decision-making and effective fieldwork in public health practice.
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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 departments report outbreaks caused by food, water, person-
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to-person contact, environmental exposure, or unknown sources. The system helps public health authorities monitor trends, identify causes of outbreaks, and improve prevention strategies. By gathering and sharing outbreak information, NORS supports better responses to public health threats and helps reduce the spread of infectious diseases.
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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 whether public health systems are prepared to respo
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nd effectively to emergencies. The guidance describes required capabilities, review processes, and documentation expectations, helping jurisdictions demonstrate their readiness and identify areas for improvement in emergency preparedness and response.
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Factsheet For Health Care Providers
for health care providers
Investigating outbreaks caused by non-infectious, toxic agents requires some unique considerations and skills that are different from those used to investigate infectious disease outbreaks. To help public health agencies investigate these outbreaks,
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CDC’s National Center for Environmental Health (NCEH) has developed a Toxicological Outbreak Investigation course. The goal of the Toxicological Outbreak Investigation Course is to provide information, resources, and learning activities to impart the knowledge and skills needed to investigate a toxicological outbreak to public health practitioners who investigate outbreaks.
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