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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...

Infectious Diseases and Their Occurrence

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...

Vaccinations

Vaccinations

Inhibitors Of Virion Release

Inhibitors Of Virion Release

Viral replication and dissemination rely on efficient mechanisms for host cell entry, genome replication, assembly, and release. Influenza viruses, such as types A and B, are negative-sense single-stranded RNA viruses with a segmented genome, that depend on two critical surface glycoproteins to carry out these processes: hemagglutinin (HA) and neuraminidase (NA). HA initiates infection by binding to sialic acid residues on the surface of host epithelial cells, facilitating receptor-mediated...

Coronavirus

Coronavirus

Coronaviruses, including the severe acute respiratory syndrome coronavirus (SARS-CoV), are enveloped viruses characterized by their single-stranded, positive-sense RNA genome and helical nucleocapsid structure. The hallmark of these viruses is their club-shaped spike (S) glycoproteins that protrude from the viral envelope, facilitating attachment to host cells. Typically, coronaviruses infect the upper respiratory tract, often causing mild or asymptomatic disease. However, certain strains like...

Steps in Outbreak Investigation

Steps in Outbreak Investigation

In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:

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Related Experiment Video

Updated: Jun 26, 2026

Development of Multiplex Real-Time RT-qPCR Assays for the Detection of SARS-CoV-2, Influenza A/B, and MERS-CoV

Development of Multiplex Real-Time RT-qPCR Assays for the Detection of SARS-CoV-2, Influenza A/B, and MERS-CoV

Published on: November 10, 2023

[Influenza: waiting for pandemic].

Rosella Di Rita¹, Emanuela Mollo, Federica Laudati

¹Scuola di Specializzazione in Igiene e Medicina Preventiva, Dipartimento di Sanità Pubblica, Università di Roma Tor Vergata, Roma.

Igiene E Sanita Pubblica

|February 4, 2009

Summary

Pandemic influenza, a novel viral infection, requires global prevention strategies. Italy

Area of Science:

Virology
Epidemiology
Public Health

Context:

Pandemic influenza poses a significant global health threat.
The World Health Organization (WHO) emphasizes pandemic influenza prevention.
National pandemic preparedness plans are crucial for mitigating outbreaks.

Purpose:

To outline Italy's national pandemic influenza preparedness plan.
To detail strategies for human and veterinary health.
To highlight the integration of vaccines, antiviral drugs, and educational initiatives.

Summary:

Pandemic flu results from novel viral strains with new surface proteins.
Italy's plan aligns with WHO Guidelines for pandemic preparedness.
The plan incorporates a One Health approach, addressing both human and animal health sectors.

More Related Videos

A Luciferase-fluorescent Reporter Influenza Virus for Live Imaging and Quantification of Viral Infection

A Luciferase-fluorescent Reporter Influenza Virus for Live Imaging and Quantification of Viral Infection

Published on: August 14, 2019

Use of an Influenza Antigen Microarray to Measure the Breadth of Serum Antibodies Across Virus Subtypes

Use of an Influenza Antigen Microarray to Measure the Breadth of Serum Antibodies Across Virus Subtypes

Published on: July 26, 2019

Related Experiment Videos

Last Updated: Jun 26, 2026

Development of Multiplex Real-Time RT-qPCR Assays for the Detection of SARS-CoV-2, Influenza A/B, and MERS-CoV

Development of Multiplex Real-Time RT-qPCR Assays for the Detection of SARS-CoV-2, Influenza A/B, and MERS-CoV

Published on: November 10, 2023

A Luciferase-fluorescent Reporter Influenza Virus for Live Imaging and Quantification of Viral Infection

A Luciferase-fluorescent Reporter Influenza Virus for Live Imaging and Quantification of Viral Infection

Published on: August 14, 2019

Use of an Influenza Antigen Microarray to Measure the Breadth of Serum Antibodies Across Virus Subtypes

Use of an Influenza Antigen Microarray to Measure the Breadth of Serum Antibodies Across Virus Subtypes

Published on: July 26, 2019

Impact:

Facilitates a coordinated response to pandemic influenza threats.
Enhances national capacity for disease surveillance and control.
Promotes the effective use of medical countermeasures and public health interventions.