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Vaccinations

Vaccinations

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...

Pneumonia V: Nursing management and Prevention

Pneumonia V: Nursing management and Prevention

Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed.

Smallpox

Smallpox

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.

Influenza

Influenza

Influenza is an acute, highly communicable viral disease that affects the respiratory tract and is responsible for seasonal epidemics worldwide. Influenza A is the most prevalent type associated with widespread outbreaks and is subtyped based on two surface glycoproteins: hemagglutinin (H) and neuraminidase (N), as in H1N1. These glycoproteins are essential for viral infectivity, transmission, and immune recognition. Transmission occurs primarily through respiratory droplets and contaminated...

Respiratory Syncytial Virus Disease

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...

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Related Experiment Video

Updated: Jul 16, 2026

Fluorescence-based Neuraminidase Inhibition Assay to Assess the Susceptibility of Influenza Viruses to The Neuraminidase Inhibitor Class of Antivirals

Fluorescence-based Neuraminidase Inhibition Assay to Assess the Susceptibility of Influenza Viruses to The Neuraminidase Inhibitor Class of Antivirals

Published on: April 15, 2017

Influenza is now a preventable disease.

J S Oxford¹, R Lambkin

¹Retroscreen Virology Ltd., Centre for Infectious Diseases, Bart's and The London, Queen Mary's School of Medicine and Dentistry, 327 Mile End Road, London E1 4NS, UK. m.bush@retroscreen.com

International Journal of Antimicrobial Agents

|March 28, 2006

Summary

The H5N1 avian influenza virus poses a pandemic threat. However, antiviral drugs and public health measures can slow its spread, allowing time for vaccine development to prevent a global outbreak.

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Fluorescence-based Neuraminidase Inhibition Assay to Assess the Susceptibility of Influenza Viruses to The Neuraminidase Inhibitor Class of Antivirals

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Area of Science:

Public Health
Virology
Epidemiology

Background:

The H5N1 avian influenza virus is a growing global concern due to increasing reports in migrating birds across multiple continents.
The potential for H5N1 to cause a human pandemic, similar to the 1918 influenza pandemic, is a significant public health apprehension.

Purpose of the Study:

To outline strategies for mitigating the spread of a potential H5N1 avian influenza pandemic.
To emphasize the importance of timely interventions in controlling infectious disease outbreaks.

Main Methods:

Review of current epidemiological data on H5N1.
Assessment of the efficacy of antiviral drug administration in managing influenza cases and contacts.
Evaluation of established public health measures for disease containment.

Main Results:

Antiviral drug administration, both alone and in combination, can effectively slow the spread of H5N1 infection.
Public health measures are crucial in conjunction with pharmaceutical interventions for disease control.
These combined strategies provide a critical window for vaccine development.

Conclusions:

A coordinated approach involving antiviral treatments and public health interventions can prevent a devastating global H5N1 pandemic.
Proactive management strategies are essential to avert large-scale outbreaks and protect public health.
The development of vaccines remains a key long-term goal in combating avian influenza.