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Related Concept Videos

Arboviral Encephalitis01:25

Arboviral Encephalitis

Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
Patterns of Fever01:26

Patterns of Fever

Before understanding the types and patterns of fever, it is essential to know its phases.
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:
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Reservoir of Infection01:30

Reservoir of Infection

Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...

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Related Experiment Video

Updated: May 16, 2026

Using Reverse Genetics to Manipulate the NSs Gene of the Rift Valley Fever Virus MP-12 Strain to Improve Vaccine Safety and Efficacy
09:13

Using Reverse Genetics to Manipulate the NSs Gene of the Rift Valley Fever Virus MP-12 Strain to Improve Vaccine Safety and Efficacy

Published on: November 1, 2011

[Rift valley fever].

V A Markin, V B Pantiukhov, V I Markov

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |November 21, 2012
    PubMed
    Summary
    This summary is machine-generated.

    Rift Valley fever virus has spread from Africa to Asia, becoming more dangerous to humans. Urgent development of diagnostics, prophylaxis, and therapy for Rift Valley fever is crucial.

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    Using Click Chemistry to Measure the Effect of Viral Infection on Host-Cell RNA Synthesis

    Published on: August 9, 2013

    Area of Science:

    • Veterinary Medicine
    • Infectious Diseases
    • Epidemiology

    Context:

    • Rift Valley fever (RVF) virus has expanded its geographic range from Africa to Asia in the past 25 years.
    • The virus has evolved from low to high pathogenicity in humans, causing severe hemorrhagic disease.

    Purpose:

    • To analyze the morbidity and epidemics of Rift Valley fever.
    • To examine the evolution of epidemic development of RVF infection.
    • To underscore the necessity for developing diagnostic, prophylactic, and therapeutic strategies for RVF.

    Summary:

    • The study analyzes the spread and evolution of Rift Valley fever (RVF) virus.
    • RVF has transitioned from a regional African threat to a global concern with increased human pathogenicity.
    • Epidemiological data on RVF morbidity and epidemic patterns are examined.

    Impact:

    • Highlights the increasing threat of RVF to public health globally.
    • Emphasizes the urgent need for novel diagnostic tools, preventative measures, and treatments for RVF.
    • Provides a basis for future research into RVF virus control and mitigation strategies.