Related Experiment Video
Updated: Jun 8, 2026
08:36
Measuring Dengue Virus RNA in the Culture Supernatant of Infected Cells by Real-time Quantitative Polymerase Chain Reaction
Published on: November 1, 2018
Yellow fever - prevention in travellers.
1Department of Emergency Medicine, Royal Brisbane and Women’s Hospital, Queensland. amy.a.neilson@gmail.com
Australian Family Physician
|September 30, 2010
Summary
Yellow fever is a serious mosquito-borne illness prevalent in Africa and South America. Vaccination is key for travelers in endemic zones, but risks of rare adverse reactions necessitate careful evaluation.
Area of Science:
- Medical Entomology
- Infectious Diseases
- Public Health
Background:
- Yellow fever is a severe, mosquito-borne flaviviral hemorrhagic fever.
- Endemic to parts of Africa and South America, it affects 1 in 7 patients severely, often fatally.
- Disease presentation involves multi-organ system involvement.
Purpose of the Study:
- To outline clinical features, epidemiology, and prevention strategies for yellow fever.
- To provide vaccine recommendations for yellow fever.
- To assist general practitioners in delivering travel medicine advice.
Main Methods:
- Literature review of yellow fever clinical features.
- Epidemiological data analysis of yellow fever distribution.
- Review of current yellow fever vaccine recommendations and international health regulations.
Main Results:
- Travelers are at risk in endemic areas, particularly rural and forested regions.
- Urban outbreaks pose significant yellow fever transmission risks.
- Vaccination is recommended where risk is high or mandated by regulations.
Conclusions:
- Antimosquito measures and vaccination are crucial for yellow fever prevention.
- The yellow fever vaccine carries a risk of rare but severe adverse reactions.
- Careful evaluation of vaccination necessity is essential for individual travelers.
Related Concept Videos
01:18Yellow Fever
Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus (YFV), a member of the Flaviviridae family. It is transmitted primarily by Aedes and Haemagogus mosquitoes in tropical and subtropical regions of Africa and South America. After transmission through a mosquito bite, the virus initially replicates in skin-resident immune cells such as dendritic cells and macrophages. These cells then migrate to the lymph nodes, where viral replication increases, eventually leading to...
01:22Methods of reducing fever
The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:
Pharmacological Methods of Reducing Fever:
01:17Transmission-based Precautions I: Contact, Enteric, and Droplets
Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
01:24Smallpox
Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.
01:26Patterns of Fever
Before understanding the types and patterns of fever, it is essential to know its phases.
01:25Increased Body Temperature
A body temperature above 38°C (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in response to an infection or illness.