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polioslidesnarrative
... • It can cause temporary or permanent paralysis or death. One in 200 infections causes permanent paralysis, usually in the legs. If the muscles of breathing are affected, death results. Most infected people show no symptoms but they can still transmit the virus to others. Some of these people may tr ...
... • It can cause temporary or permanent paralysis or death. One in 200 infections causes permanent paralysis, usually in the legs. If the muscles of breathing are affected, death results. Most infected people show no symptoms but they can still transmit the virus to others. Some of these people may tr ...
Microbiology Part 1 Kingdom Monera and the viruses
... 1892 Dimitri Iwanowski (Russian biologist) worked with tobacco mosaic- a disease which causes light green patches on tobacco leaves and stunts leaf growth. He assumed that the fluid containing (TMV- tobacco mosaic virus)contained a poison from a bacterium. The term "virus" (is the Latin word for poi ...
... 1892 Dimitri Iwanowski (Russian biologist) worked with tobacco mosaic- a disease which causes light green patches on tobacco leaves and stunts leaf growth. He assumed that the fluid containing (TMV- tobacco mosaic virus)contained a poison from a bacterium. The term "virus" (is the Latin word for poi ...
DISEASES OF THE RESPIRATORY SYSTEM
... reported cases. It quickly spread throughout the US industry over the next few years. Interestingly a significantly different genetic strain spread through Western Europe almost simultaneously. PRRS has now spread around the world to every country where pigs are imported. • To date no other species ...
... reported cases. It quickly spread throughout the US industry over the next few years. Interestingly a significantly different genetic strain spread through Western Europe almost simultaneously. PRRS has now spread around the world to every country where pigs are imported. • To date no other species ...
microbiology
... days to a week to “see” a foreign invader (bacteria or virus) and mount a response against it. (that’s why we feel sick!) If you’ve been vaccinated, your body will immediately “see” the bacteria or virus as an invader and it already has the weapons to immediately fight it off. You may NEVER ...
... days to a week to “see” a foreign invader (bacteria or virus) and mount a response against it. (that’s why we feel sick!) If you’ve been vaccinated, your body will immediately “see” the bacteria or virus as an invader and it already has the weapons to immediately fight it off. You may NEVER ...
Medical University of Lodz Division of Studies in English (6MD
... Class 2: General microbiology – Physiology of microorganisms. The influence of the physical and chemical factors on bacteria. Human microbiota. Knowledge: the student is able to talk over the presence of bacteria in the human environment (the reservoir of the pathogen, the modes of its transmission, ...
... Class 2: General microbiology – Physiology of microorganisms. The influence of the physical and chemical factors on bacteria. Human microbiota. Knowledge: the student is able to talk over the presence of bacteria in the human environment (the reservoir of the pathogen, the modes of its transmission, ...
Mammalian Virus Purification Using Ceramic Hydroxyapatite - Bio-Rad
... case was best observed on CHT Ceramic Hydroxyapatite Type II Media when compared to three other apatite media, suggesting the importance of determining which media works best for a specific virus. Additionally, factors such as adjusting the flow rate and gradient slope showed variable differences in ...
... case was best observed on CHT Ceramic Hydroxyapatite Type II Media when compared to three other apatite media, suggesting the importance of determining which media works best for a specific virus. Additionally, factors such as adjusting the flow rate and gradient slope showed variable differences in ...
Characterizing and Classifying Viruses, Viroids, and Prions
... The Role of Viruses in Cancer (pp. 394-396) Neoplasia is uncontrolled cellular reproduction in a multicellular animal. A mass of neoplastic cells, called a tumor, may be relatively harmless (benign) or invasive (malignant). Malignant tumors are also called cancer. The term metastasis describes the s ...
... The Role of Viruses in Cancer (pp. 394-396) Neoplasia is uncontrolled cellular reproduction in a multicellular animal. A mass of neoplastic cells, called a tumor, may be relatively harmless (benign) or invasive (malignant). Malignant tumors are also called cancer. The term metastasis describes the s ...
Proper Shipment of Patient Specimens and Infectious Substances
... Specimens collected from humans or animals including, but not limited to, excreta, secreta, blood and its components, tissue and tissue fluid swabs, and body parts being transported for purposes such as research, diagnosis, investigational activities, disease treatment or prevention. Note: If specim ...
... Specimens collected from humans or animals including, but not limited to, excreta, secreta, blood and its components, tissue and tissue fluid swabs, and body parts being transported for purposes such as research, diagnosis, investigational activities, disease treatment or prevention. Note: If specim ...
2/20/12 Viruses
... • Viruses replicate only in certain types of cells or in whole organisms • Bacterial viruses are easiest to grow; model systems • Animal viruses (and some plant viruses) can be cultivated in tissue or cell cultures • Plant viruses typically are most difficult because study often requires growth of w ...
... • Viruses replicate only in certain types of cells or in whole organisms • Bacterial viruses are easiest to grow; model systems • Animal viruses (and some plant viruses) can be cultivated in tissue or cell cultures • Plant viruses typically are most difficult because study often requires growth of w ...
DNA viruses - WordPress.com
... • Viruses replicate only in certain types of cells or in whole organisms • Bacterial viruses are easiest to grow; model systems • Animal viruses (and some plant viruses) can be cultivated in tissue or cell cultures • Plant viruses typically are most difficult because study often requires growth of w ...
... • Viruses replicate only in certain types of cells or in whole organisms • Bacterial viruses are easiest to grow; model systems • Animal viruses (and some plant viruses) can be cultivated in tissue or cell cultures • Plant viruses typically are most difficult because study often requires growth of w ...
Pathogens in the Environment
... • It is thought that viruses are responsible for up to 3/4 of all infective diarrhoeas. • Viral gastroenteritis is the second most common viral illness after upper respiratory tract infection. • In developing countries, viral gastroenteritis is a major killer of infants who are undernourished. Rotav ...
... • It is thought that viruses are responsible for up to 3/4 of all infective diarrhoeas. • Viral gastroenteritis is the second most common viral illness after upper respiratory tract infection. • In developing countries, viral gastroenteritis is a major killer of infants who are undernourished. Rotav ...
Suspected Case of Infectious Neurologic Disease
... defined by physical barriers. Signs should be used to identify the perimeter and control access. Note: More than one primary perimeter may be established if case development warrants and facility design permits. The primary perimeter contains all suspect infected animals and animals in immediate con ...
... defined by physical barriers. Signs should be used to identify the perimeter and control access. Note: More than one primary perimeter may be established if case development warrants and facility design permits. The primary perimeter contains all suspect infected animals and animals in immediate con ...
ch 19 viral replication cycle
... • Recently, a general outbreak (epidemic) of a flulike illness appeared in Mexico and the United States, caused by an influenza virus named H1N1 • Flu epidemics are caused by new strains of influenza virus to which people have little immunity ...
... • Recently, a general outbreak (epidemic) of a flulike illness appeared in Mexico and the United States, caused by an influenza virus named H1N1 • Flu epidemics are caused by new strains of influenza virus to which people have little immunity ...
Viruses - WordPress.com
... Does not “kill” or disarm the virus permanently; only shortens symptoms by 1-2 days. Usually only prescribed to patients with life threatening symptoms or those that have a greater chance of developing complications (because of their age or they have a high-risk medical condition). Just like a ...
... Does not “kill” or disarm the virus permanently; only shortens symptoms by 1-2 days. Usually only prescribed to patients with life threatening symptoms or those that have a greater chance of developing complications (because of their age or they have a high-risk medical condition). Just like a ...
MEDICAL VIROLOGY LEARING TABLES
... infected animal (usually rodent) Contact with blood or secretions Tick bite ...
... infected animal (usually rodent) Contact with blood or secretions Tick bite ...
HALAMID® IN POULTRY FARMING
... Always remember that cleaning is a required preliminary step before disinfection to ensure the best results. Without proper cleaning, dirt and organic matter protect microorganisms against the killing effect of the disinfectant, resulting in an incomplete operation. ...
... Always remember that cleaning is a required preliminary step before disinfection to ensure the best results. Without proper cleaning, dirt and organic matter protect microorganisms against the killing effect of the disinfectant, resulting in an incomplete operation. ...
the liver - WordPress.com
... Virus is shed in stool for 2-3 wks before & 1 wk after onset of jaundice. HAV is not shed in any significant quantities in saliva, urine, or semen. Because HAV viremia is transient, blood-borne transmission of HAV occurs only rarely; therefore, donated blood is not routinely screened for this virus. ...
... Virus is shed in stool for 2-3 wks before & 1 wk after onset of jaundice. HAV is not shed in any significant quantities in saliva, urine, or semen. Because HAV viremia is transient, blood-borne transmission of HAV occurs only rarely; therefore, donated blood is not routinely screened for this virus. ...
Who created the process known as pasteurization?
... Although an average student in his early years, he earned several college degrees including both a BA and BS degree. He later studied at the Ecole Normale Superieure in Paris. He married and had five children. The death of one of his children from typhoid fever drove Pasteur to find cures for diseas ...
... Although an average student in his early years, he earned several college degrees including both a BA and BS degree. He later studied at the Ecole Normale Superieure in Paris. He married and had five children. The death of one of his children from typhoid fever drove Pasteur to find cures for diseas ...
ch_13_study guide
... Each type of animal virus requires a different strategy for synthesis that depends on the kind of nucleic acid involved: DNA or RNA, and ds versus ss: Synthesis of new dsDNA virions is similar to the normal replication of cellular DNA and translation of proteins. Each strand of viral DNA is used ...
... Each type of animal virus requires a different strategy for synthesis that depends on the kind of nucleic acid involved: DNA or RNA, and ds versus ss: Synthesis of new dsDNA virions is similar to the normal replication of cellular DNA and translation of proteins. Each strand of viral DNA is used ...
Mirobiology 14-15
... The rules (procedures) of collection the material for microbiological examination (bacteriological, virological, mycological): the period of collection, types of materials, methods of collection, storage and transportation, request form to microbiological laboratory; pre-analytical and analytical er ...
... The rules (procedures) of collection the material for microbiological examination (bacteriological, virological, mycological): the period of collection, types of materials, methods of collection, storage and transportation, request form to microbiological laboratory; pre-analytical and analytical er ...
COMMISSION DECISION of 27 February 2004 on measures to
... and of the measures taken to control it. By Commission Decision 2003/64/EC (2), the Member States were provisionally required to take measures against the introduction into and the spread within the Community of Pepino mosaic virus. That Decision has ceased to apply on 31 January 2004. Pepino mosaic ...
... and of the measures taken to control it. By Commission Decision 2003/64/EC (2), the Member States were provisionally required to take measures against the introduction into and the spread within the Community of Pepino mosaic virus. That Decision has ceased to apply on 31 January 2004. Pepino mosaic ...
Document
... Antibody to HBsAg indicates clinical recovery and is associated with immunity to Hepatitis B. Antibody to HBcAg is also produced and is first to appear after infection. – Present in blood of acute and chronic subjects as well as those recovered. – This antibody does not neutralize virus. ...
... Antibody to HBsAg indicates clinical recovery and is associated with immunity to Hepatitis B. Antibody to HBcAg is also produced and is first to appear after infection. – Present in blood of acute and chronic subjects as well as those recovered. – This antibody does not neutralize virus. ...
bacteriophage and viruses-study material-2012
... "an invisible antagonist", when added to bacteria on agar, would produce areas of dead bacteria.The antagonist, now known to be a bacteriophage could pass through a Chamberland filter. He accurately diluted a suspension of these viruses and discovered that the highest dilutions (lowest virus concent ...
... "an invisible antagonist", when added to bacteria on agar, would produce areas of dead bacteria.The antagonist, now known to be a bacteriophage could pass through a Chamberland filter. He accurately diluted a suspension of these viruses and discovered that the highest dilutions (lowest virus concent ...
Social history of viruses
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The social history of viruses describes the influence of viruses and viral infections on human history. Epidemics caused by viruses began when human behaviour changed during the Neolithic period, around 12,000 years ago, when humans developed more densely populated agricultural communities. This allowed viruses to spread rapidly and subsequently to become endemic. Viruses of plants and livestock also increased, and as humans became dependent on agriculture and farming, diseases such as potyviruses of potatoes and rinderpest of cattle had devastating consequences.Smallpox and measles viruses are among the oldest that infect humans. Having evolved from viruses that infected other animals, they first appeared in humans in Europe and North Africa thousands of years ago. The viruses were later carried to the New World by Europeans during the time of the Spanish Conquests, but the indigenous people had no natural resistance to the viruses and millions of them died during epidemics. Influenza pandemics have been recorded since 1580, and they have occurred with increasing frequency in subsequent centuries. The pandemic of 1918–19, in which 40–50 million died in less than a year, was one of the most devastating in history.Louis Pasteur and Edward Jenner were the first to develop vaccines to protect against viral infections. The nature of viruses remained unknown until the invention of the electron microscope in the 1930s, when the science of virology gained momentum. In the 20th century many diseases both old and new were found to be caused by viruses. There were epidemics of poliomyelitis that were only controlled following the development of a vaccine in the 1950s. HIV is one of the most pathogenic new viruses to have emerged in centuries. Although scientific interest in them arose because of the diseases they cause, most viruses are beneficial. They drive evolution by transferring genes across species, play important roles in ecosystems and are essential to life.