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Related Concept Videos

Yellow Fever01:18

Yellow 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...
Increased Body Temperature01:25

Increased 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.
Patterns of Fever01:26

Patterns of Fever

Before understanding the types and patterns of fever, it is essential to know its phases.
Plague01:24

Plague

Plague is a highly virulent zoonotic disease caused by Yersinia pestis, a Gram-negative, facultatively anaerobic coccobacillus. This pathogen primarily circulates among rodent populations and is transmitted to humans through the bite of infected fleas. Additional transmission routes include direct contact with infected animal tissue or inhalation of respiratory droplets from individuals with pneumonic plague. These multiple transmission pathways highlight the bacterium’s potential for rapid...
Methods of reducing fever01:22

Methods 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:
Types of Fever01:25

Types of Fever

Fever can be triggered by several factors, including infections, nervous system disorders, certain cancers, blood diseases like leukemia, embolism, thrombosis, heatstroke, dehydration, surgical trauma, crushing injuries, and allergic reactions.
Here are the different types of fever:

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Related Experiment Video

Updated: May 29, 2026

Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings
14:40

Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings

Published on: October 25, 2015

[Q-fever caused spontaneous abortion].

Stine Yde Nielsen1, Kåre Mølbak, Niels Henrik Hjøllund

  • 1Arbejdsmedicinsk Klinik, Regionshospitalet Herning, Hospitalsenheden Vest, Denmark. stineyde@dadlnet.dk

Ugeskrift for Laeger
|August 27, 2011
PubMed
Summary

Q-fever infection in early pregnancy poses a significant risk to pregnant women, potentially leading to spontaneous abortion. Veterinarians handling birthing by-products from infected animals are particularly vulnerable.

Area of Science:

  • Veterinary Medicine
  • Infectious Diseases
  • Obstetrics

Background:

  • Q-fever is a zoonotic disease with potential adverse pregnancy outcomes.
  • Pregnant women are a high-risk group for Q-fever complications.
  • Early pregnancy Q-fever infection increases the risk of spontaneous abortion.

Observation:

  • A 39-year-old veterinarian experienced a spontaneous abortion at seven weeks gestation.
  • The veterinarian handled birth by-products from Q-fever-infected cows during early pregnancy.
  • Q-fever serology indicated infection occurred in the first trimester.

Findings:

  • The case demonstrates a direct link between early pregnancy Q-fever infection and spontaneous abortion.
  • Occupational exposure in veterinary practice presents a risk for pregnant women.

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  • First-trimester Q-fever infection is strongly associated with pregnancy loss.

    • Implications:

    • Highlights the need for enhanced Q-fever prevention strategies for pregnant veterinarians.
    • Underscores the importance of awareness regarding zoonotic risks during pregnancy.
    • Suggests further research into the specific mechanisms of Q-fever-induced pregnancy complications.