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Related Concept Videos

Influenza01:27

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...
Vaccinations01:51

Vaccinations

Overview
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...
Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

Transmission-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...
Transmission-based Precautions II: Airborne and Protective Environment01:25

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...
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...

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Related Experiment Video

Updated: May 20, 2026

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

Published on: August 14, 2019

[Mass communication during the "H1N1 flu"].

E Pellegrino1, G Martino, M Balli

  • 1Scuola di specializzazione in Igiene e Medicina Preventiva, Università degli Studi di Firenze. elettra.pellegrino@gmail.com

Annali Di Igiene : Medicina Preventiva E Di Comunita
|July 5, 2012
PubMed
Summary

Media coverage of the H1N1 flu pandemic peaked before the actual health crisis, then rapidly declined. This study highlights how media reporting can distort public perception of health risks.

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Published on: November 22, 2017

Area of Science:

  • Public Health Communication
  • Media Studies
  • Epidemiology

Context:

  • The H1N1 flu pandemic (2009-2010) necessitated clear and accurate public health information.
  • Media plays a significant role in shaping public understanding of health events.
  • Effective risk communication is crucial during health crises.

Purpose:

  • To analyze media coverage of the H1N1 flu event in Italy.
  • To assess the relationship between media attention and the pandemic's timeline.
  • To evaluate the potential for media-induced risk misperceptions.

Summary:

  • Examined news articles from "Il Corriere della Sera," "La Repubblica," "City," and "TGCOM" between April 2009 and June 2010.
  • Media coverage peaked shortly before the H1N1 pandemic's peak and then sharply decreased.
  • Identified a disconnect between media interest and the actual progression of the health crisis.

Impact:

  • Media coverage can influence public perception of health risks (risk vs. hazard).
  • Institutions and health professionals face challenges in communicating effectively with the public.
  • Calls for improved collaboration between media and health authorities for clearer, less misleading health communication.