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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...
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...
Inhibitors Of Virion Release01:25

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...
Viral Recombination00:57

Viral Recombination

Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
Leaky Scanning02:28

Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R stands for...
Coronavirus01:29

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...

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Updated: Jun 20, 2026

Nasal Wipes for Influenza A Virus Detection and Isolation from Swine
05:59

Nasal Wipes for Influenza A Virus Detection and Isolation from Swine

Published on: December 4, 2015

H1N1 influenza is here.

S M Burns1

  • 1Royal Infirmary of Edinburgh, Edinburgh, UK. SM.Burns@luht.scot.nhs.uk

The Journal of Hospital Infection
|September 22, 2009
PubMed
Summary
This summary is machine-generated.

The World Health Organization declared the H1N1 influenza spread a pandemic. This summary emphasizes reinforcing standard infection control in hospitals amid ongoing pandemic preparedness and guideline confusion.

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

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Last Updated: Jun 20, 2026

Nasal Wipes for Influenza A Virus Detection and Isolation from Swine
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Nasal Wipes for Influenza A Virus Detection and Isolation from Swine

Published on: December 4, 2015

Influenza Virus Propagation in Embryonated Chicken Eggs
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Influenza Virus Propagation in Embryonated Chicken Eggs

Published on: March 19, 2015

A Luciferase-fluorescent Reporter Influenza Virus for Live Imaging and Quantification of Viral Infection
05:21

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

Published on: August 14, 2019

Area of Science:

  • Public Health
  • Infectious Diseases
  • Epidemiology

Background:

  • The World Health Organization (WHO) declared the H1N1 influenza spread had reached pandemic phase 6 on June 11.
  • Global planning and preparedness for the ongoing H1N1 pandemic have intensified.
  • Existing guidelines for H1N1 pandemic response face interpretation challenges.

Purpose of the Study:

  • To address confusion surrounding H1N1 pandemic control guidelines.
  • To reinforce the importance of standard infection control procedures in acute hospital settings.
  • To remind healthcare professionals of fundamental control principles during a pandemic.

Main Methods:

  • Review of H1N1 pandemic declarations and issued guidelines.
  • Analysis of challenges in guideline interpretation.
  • Emphasis on educational reinforcement of infection control protocols.

Main Results:

  • Despite issued guidelines, confusion persists regarding their application.
  • There is a recognized need for enhanced understanding of control measure principles.
  • Standard infection control procedures require reinforcement in acute care.

Conclusions:

  • Clearer communication and education are essential for effective H1N1 pandemic response.
  • Reinforcing standard infection control in hospitals is critical for patient safety.
  • Addressing guideline interpretation issues will improve pandemic preparedness.