Avian Flu, a Flu Pandemic Potential Impact to Public Health
... Before 1997 only found in birds and few other animals Bird influenza viruses can mutate into a form which is easily transmitted human to human. This will represent a dramatic antigenic shift. Humans have no immunity to this virus thus the risk. ...
... Before 1997 only found in birds and few other animals Bird influenza viruses can mutate into a form which is easily transmitted human to human. This will represent a dramatic antigenic shift. Humans have no immunity to this virus thus the risk. ...
Severe acute respiratory infection caused by
... transmission had not been documented before 2009, when an influenza virus of swine origin triggered the first influenza pandemic of the 21st century. Indeed it is speculated that pigs may serve as a mixing vessel for the development of a pandemic influenza strain [2-5]. In addition, SIV infections a ...
... transmission had not been documented before 2009, when an influenza virus of swine origin triggered the first influenza pandemic of the 21st century. Indeed it is speculated that pigs may serve as a mixing vessel for the development of a pandemic influenza strain [2-5]. In addition, SIV infections a ...
What is a Pandemic Flu? - Louisiana Department of Health and
... The virus causes severe human illness or death in humans The virus spreads easily from person to person ...
... The virus causes severe human illness or death in humans The virus spreads easily from person to person ...
Viruses
... Ebola is the common term for a group of viruses belonging to genus Ebolavirus, and for the disease which they cause, Ebola hemorrhagic fever. The virus is named after the Ebola River where the first recognized outbreak of ebola hemorrhagic fever occurred. The viruses are characterized by long filame ...
... Ebola is the common term for a group of viruses belonging to genus Ebolavirus, and for the disease which they cause, Ebola hemorrhagic fever. The virus is named after the Ebola River where the first recognized outbreak of ebola hemorrhagic fever occurred. The viruses are characterized by long filame ...
BODY Diseases_405
... infected droplets coughed or exhaled into the air. Table 1 shows some communicable diseases, their causative agents and mode of transmission. Micro organisms e.g. bacteria, fungus viruses etc are small organisms invisible to the naked eyes but visible by the aid of a microscope that cause various di ...
... infected droplets coughed or exhaled into the air. Table 1 shows some communicable diseases, their causative agents and mode of transmission. Micro organisms e.g. bacteria, fungus viruses etc are small organisms invisible to the naked eyes but visible by the aid of a microscope that cause various di ...
viruses - Msleone.org
... infection and then the cell will burst and this process will happen over and over and over and over and over….etc. ...
... infection and then the cell will burst and this process will happen over and over and over and over and over….etc. ...
7.013 Spring 2005 Problem Set 7
... sick, they will most likely fall into the ocean or something, rather than being around all of the other birds, as a sick chicken would. Is the virus more likely to be spread worldwide by livestock or migratory birds? Migratory birds. They migrate. Avian virus was identified in Italy, over 100 years ...
... sick, they will most likely fall into the ocean or something, rather than being around all of the other birds, as a sick chicken would. Is the virus more likely to be spread worldwide by livestock or migratory birds? Migratory birds. They migrate. Avian virus was identified in Italy, over 100 years ...
out - Community Health Science 102
... • High fever; a rash that leads to peeling of the skin on the fingers, toes, palms, and soles; dizziness; dangerously low blood pressure; and abnormalities in several organ systems, and in the muscles and blood. ...
... • High fever; a rash that leads to peeling of the skin on the fingers, toes, palms, and soles; dizziness; dangerously low blood pressure; and abnormalities in several organ systems, and in the muscles and blood. ...
viruses 16 kb viruses
... Give example of viruses that infect eukaryotic cells. How are these viruses structurally organised and what effects do they have on infected cells? ...
... Give example of viruses that infect eukaryotic cells. How are these viruses structurally organised and what effects do they have on infected cells? ...
Life Science
... A very small (must use an electron microscope to see) nonliving particle that invades and then reproduces inside a living cell. Made up of a protein coat & genetic material (some w/ DNA, some w/ RNA). Non living because: Not made up of cells, Do not utilize energy, Do not respond to surroundings The ...
... A very small (must use an electron microscope to see) nonliving particle that invades and then reproduces inside a living cell. Made up of a protein coat & genetic material (some w/ DNA, some w/ RNA). Non living because: Not made up of cells, Do not utilize energy, Do not respond to surroundings The ...
Life Science Chapter 8 Viruses & Bacteria
... • A very small (must use an electron microscope to see) nonliving particle that invades and then reproduces inside a living cell. • Made up of a protein coat & genetic material (some w/ DNA, some w/ RNA). • Non living because: Not made up of cells, Do not utilize energy, Do not respond to surroundin ...
... • A very small (must use an electron microscope to see) nonliving particle that invades and then reproduces inside a living cell. • Made up of a protein coat & genetic material (some w/ DNA, some w/ RNA). • Non living because: Not made up of cells, Do not utilize energy, Do not respond to surroundin ...
Animal pathogens: viruses
... The virus may be present in garbage used for swine feed but is destroyed by cooking It affects no other species ...
... The virus may be present in garbage used for swine feed but is destroyed by cooking It affects no other species ...
Goals
... Describe infectious diseases with pandemic potential and those of global concern Understand the potential for epidemic spread of respiratory viruses and arthropod-borne viruses ...
... Describe infectious diseases with pandemic potential and those of global concern Understand the potential for epidemic spread of respiratory viruses and arthropod-borne viruses ...
Return of the giant zombie virus
... body’s immune system, greatly lowering resistance to infections and some cancers. It is caused by the HIV germ. (See also HIV) amoeba ...
... body’s immune system, greatly lowering resistance to infections and some cancers. It is caused by the HIV germ. (See also HIV) amoeba ...
viruses - Teacher Pages
... only in host cells • Viruses are obligate intracellular parasites, which means they can reproduce only within a host cell • Each virus has a host range, a limited number of host cells that it can infect (receptor molecules on the surface of cells) ...
... only in host cells • Viruses are obligate intracellular parasites, which means they can reproduce only within a host cell • Each virus has a host range, a limited number of host cells that it can infect (receptor molecules on the surface of cells) ...
Viruses and Bacteria
... Continues to replicate and mutate for years Eventually recognize glycoprotein on lymphocyte called T cells T cells are destroyed T cells are important in immune system, without them you can’t fight off other diseases Spread through semen or vaginal fluid not casual contact ...
... Continues to replicate and mutate for years Eventually recognize glycoprotein on lymphocyte called T cells T cells are destroyed T cells are important in immune system, without them you can’t fight off other diseases Spread through semen or vaginal fluid not casual contact ...
Pandemic Control Measures
... globally. This type A influenza virus has 2 epitopes in its DNA, namely hemagglutinin (HA) and neuraminidase (NA). There are 16 subtypes of HA (H1–H16) and 9 subtypes of NA (N1–N9) in type A, and the combination (1629) of these subtypes creates new subtype combinations. As previously acquired immuni ...
... globally. This type A influenza virus has 2 epitopes in its DNA, namely hemagglutinin (HA) and neuraminidase (NA). There are 16 subtypes of HA (H1–H16) and 9 subtypes of NA (N1–N9) in type A, and the combination (1629) of these subtypes creates new subtype combinations. As previously acquired immuni ...
Virus teacher notes Pre-AP 14-15
... A. General Characteristics 1. A virus is an infectious agent made up of – nucleic acid (DNA or RNA), wrapped in protein coat a. they have no nucleus, no organelles, no cytoplasm or cell membrane – non-cellular particle b. viruses have either – DNA or RNA, but not both c. viruses with RNA that transc ...
... A. General Characteristics 1. A virus is an infectious agent made up of – nucleic acid (DNA or RNA), wrapped in protein coat a. they have no nucleus, no organelles, no cytoplasm or cell membrane – non-cellular particle b. viruses have either – DNA or RNA, but not both c. viruses with RNA that transc ...
Comparing Viruses and Cells Notes
... specific sites on cells called “docking sites” West Nile Virus – affects birds, horses, and people ...
... specific sites on cells called “docking sites” West Nile Virus – affects birds, horses, and people ...
آنفولانزا3
... testing a specimen that was collected when the patient is no longer shedding detectable influenza virus. • False positive results, although rare, can occur (e.g., due to lab contamination or other factors). ...
... testing a specimen that was collected when the patient is no longer shedding detectable influenza virus. • False positive results, although rare, can occur (e.g., due to lab contamination or other factors). ...
Virology
... The structure of viruses: 1. Viral nucleic acid: The viral nucleic acid is located internally and can be either single- or double- stranded RNA or DNA. The nucleic acid can be either linear or circular. The DNA is always a single molecule, the RNA can exist either as a single molecule or in several ...
... The structure of viruses: 1. Viral nucleic acid: The viral nucleic acid is located internally and can be either single- or double- stranded RNA or DNA. The nucleic acid can be either linear or circular. The DNA is always a single molecule, the RNA can exist either as a single molecule or in several ...
VirusProject
... List and picture the groups of organisms it infects, including specific body system, plant parts, etc. ...
... List and picture the groups of organisms it infects, including specific body system, plant parts, etc. ...
Outline for Chapters on Pathogenesis and Medical Aspects of Viruses
... both natural and experimental infection or, in some cases, it may be clearer to separate the two. In addition to text with the following section, please provide diagrams that illustrate them. ...
... both natural and experimental infection or, in some cases, it may be clearer to separate the two. In addition to text with the following section, please provide diagrams that illustrate them. ...
Influenza A virus
Influenza A virus causes influenza in birds and some mammals, and is the only species of influenza virus A. Influenza virus A is a genus of the Orthomyxoviridae family of viruses. Strains of all subtypes of influenza A virus have been isolated from wild birds, although disease is uncommon. Some isolates of influenza A virus cause severe disease both in domestic poultry and, rarely, in humans. Occasionally, viruses are transmitted from wild aquatic birds to domestic poultry, and this may cause an outbreak or give rise to human influenza pandemics.Influenza A viruses are negative-sense, single-stranded, segmented RNA viruses.The several subtypes are labeled according to an H number (for the type of hemagglutinin) and an N number (for the type of neuraminidase). There are 18 different known H antigens (H1 to H18) and 11 different known N antigens (N1 to N11). H17 was isolated from fruit bats in 2012. H18N11 was discovered in a Peruvian bat in 2013.Each virus subtype has mutated into a variety of strains with differing pathogenic profiles; some are pathogenic to one species but not others, some are pathogenic to multiple species.A filtered and purified influenza A vaccine for humans has been developed, and many countries have stockpiled it to allow a quick administration to the population in the event of an avian influenza pandemic. Avian influenza is sometimes called avian flu, and colloquially, bird flu. In 2011, researchers reported the discovery of an antibody effective against all types of the influenza A virus.