Clinical features
... coalesce to produce a flushed appearance. The onset of rash is often accompanied by low-grade fever. Although the rash usually lasts 3 to 5 days (hence the term “3-day measles”), the associated fever rarely persists for more than 24 hours. Postnatal rubella usually resolves without complication. How ...
... coalesce to produce a flushed appearance. The onset of rash is often accompanied by low-grade fever. Although the rash usually lasts 3 to 5 days (hence the term “3-day measles”), the associated fever rarely persists for more than 24 hours. Postnatal rubella usually resolves without complication. How ...
November 4, 2016 The Wyoming Department of Health, Wyoming
... Hepatitis A is a contagious virus. Illness can range in severity from mild illness lasting a few weeks to more severe illness lasting several months. Infection with HAV does not result in chronic infection. Hepatitis A is spread through person-to-person contact or by ingesting contaminated food or w ...
... Hepatitis A is a contagious virus. Illness can range in severity from mild illness lasting a few weeks to more severe illness lasting several months. Infection with HAV does not result in chronic infection. Hepatitis A is spread through person-to-person contact or by ingesting contaminated food or w ...
HENDRA VIRUS INFECTION
... Horse Sickness, virologists from the Australian Animal Health Laboratory identified a new virus, which was initially called equine morbillivirus, but subsequently named Hendra virus after the Brisbane suburb of Hendra where the outbreak occurred. Hendra virus is now classified in the Henipavirus gen ...
... Horse Sickness, virologists from the Australian Animal Health Laboratory identified a new virus, which was initially called equine morbillivirus, but subsequently named Hendra virus after the Brisbane suburb of Hendra where the outbreak occurred. Hendra virus is now classified in the Henipavirus gen ...
VIRUSES There are five categories of viruses: parasitic or file
... summing software that the modification was legitimate. A so-called sparse-infector virus infects only on certain occasions—for example, it may infect every tenth program executed. This strategy makes it more difficult to detect the virus. By using combinations of several virus-writing methods, virus ...
... summing software that the modification was legitimate. A so-called sparse-infector virus infects only on certain occasions—for example, it may infect every tenth program executed. This strategy makes it more difficult to detect the virus. By using combinations of several virus-writing methods, virus ...
Emerging viral infections in a rapidly changing world
... receptors on host cells. This type of receptor is found on both human and chicken cells, but not on duck cells [14]. The most recent example of direct chicken-to-human transmission of influenza A virus occurred during an epidemic of highly pathogenic avian influenza virus (H7N7) in poultry in the Ne ...
... receptors on host cells. This type of receptor is found on both human and chicken cells, but not on duck cells [14]. The most recent example of direct chicken-to-human transmission of influenza A virus occurred during an epidemic of highly pathogenic avian influenza virus (H7N7) in poultry in the Ne ...
Norovirus: An Infectious Cause of Montezuma`s Revenge
... ways, including: eating food or drinking liquids that are contaminated with the virus, touching contaminated surfaces or objects and then placing one’s fingers in the mouth, or direct contact with an infected person (sharing food or utensils with someone who is ill). It is important to remember that ...
... ways, including: eating food or drinking liquids that are contaminated with the virus, touching contaminated surfaces or objects and then placing one’s fingers in the mouth, or direct contact with an infected person (sharing food or utensils with someone who is ill). It is important to remember that ...
VIRUSES
... Ex: Tobacco Rattle Virus (TRV) - consists of two particles of different lengths. Can infect but unstable because it lacks the gene for protein coat. ...
... Ex: Tobacco Rattle Virus (TRV) - consists of two particles of different lengths. Can infect but unstable because it lacks the gene for protein coat. ...
Case Study, Porth Chapter 16, Mechanisms of Infectious Disease
... with her, but she was concerned about the baby contracting her HIV infection. Her latest blood tests indicated her CD4+ count was 380/µL. The PCR test indicated her viral load was 850. The nurse referred her to the physician to discuss antiretroviral therapy during her pregnancy. (Learning Objective ...
... with her, but she was concerned about the baby contracting her HIV infection. Her latest blood tests indicated her CD4+ count was 380/µL. The PCR test indicated her viral load was 850. The nurse referred her to the physician to discuss antiretroviral therapy during her pregnancy. (Learning Objective ...
File
... • ssRNA, segmented, consists of 10 genes encoded on 8 separate RNA segments. • 3 distinct influenza virus types: A, B, C; Type A causes most infections • Influenza A viruses are further classified, based on the viral surface proteins hemagglutinin (HA or H) and neuraminidase (NA or N) • Key to influ ...
... • ssRNA, segmented, consists of 10 genes encoded on 8 separate RNA segments. • 3 distinct influenza virus types: A, B, C; Type A causes most infections • Influenza A viruses are further classified, based on the viral surface proteins hemagglutinin (HA or H) and neuraminidase (NA or N) • Key to influ ...
Anthrax
... Spreading anthrax from person to person is extremely unlikely to occur. It also requires a relatively large dose to infect a person one would have to inhale 8,000 to 50,000 spores. ...
... Spreading anthrax from person to person is extremely unlikely to occur. It also requires a relatively large dose to infect a person one would have to inhale 8,000 to 50,000 spores. ...
Production of Safe and Uniform Infectious Bronchitis Vaccines
... Most outbreaks of IBV respiratory disease during the last decade in the U.S. have been caused by Ark-type strains in spite of extensive vaccination. Because commercially available Ark IBV vaccines can have heterogeneous viral populations, the predominant population is selected against after vaccinat ...
... Most outbreaks of IBV respiratory disease during the last decade in the U.S. have been caused by Ark-type strains in spite of extensive vaccination. Because commercially available Ark IBV vaccines can have heterogeneous viral populations, the predominant population is selected against after vaccinat ...
Different Types of Vaccine Whole virus vaccines. either live or killed
... rabies, HSV and other viruses have been expressed in vaccinia. Hybrid virus vaccines are stable and stimulate both cellular and humoral immunity. They are relatively cheap and simple to produce. Being live vaccines, smaller quantities are required for immunization. As yet, there are no accepted labo ...
... rabies, HSV and other viruses have been expressed in vaccinia. Hybrid virus vaccines are stable and stimulate both cellular and humoral immunity. They are relatively cheap and simple to produce. Being live vaccines, smaller quantities are required for immunization. As yet, there are no accepted labo ...
AAEP Equine Herpesvirus (EHV) Control Guidelines
... isolation should be attempted during outbreaks, it is time-consuming and can lack sensitivity. Quantitative PCR (qPCR) is more sensitive and rapid, and has become the test of choice for rapid detection during outbreaks. Serology - Serological diagnosis using the viral neutralization test (synonym: s ...
... isolation should be attempted during outbreaks, it is time-consuming and can lack sensitivity. Quantitative PCR (qPCR) is more sensitive and rapid, and has become the test of choice for rapid detection during outbreaks. Serology - Serological diagnosis using the viral neutralization test (synonym: s ...
Microbiology Final Review
... -Motile -Disease: -Symptoms: Nausea, severe abdominal cramps, fatigue, watery or bloody diarrhea, low grade fever -Most strains are harmless. -When they do cause an infection, it usually occurs in the intestinal and urinary tracts but it can occur at different parts of the body -O157:H7 is a common ...
... -Motile -Disease: -Symptoms: Nausea, severe abdominal cramps, fatigue, watery or bloody diarrhea, low grade fever -Most strains are harmless. -When they do cause an infection, it usually occurs in the intestinal and urinary tracts but it can occur at different parts of the body -O157:H7 is a common ...
Communicable Diseases
... Why are Young Children at Risk? • Children in child care are more likely to get sick than children who stay at home. • Children are at risk for getting communicable diseases because: – they have developing immune systems – Infants & young children explore their environment by using their hands and ...
... Why are Young Children at Risk? • Children in child care are more likely to get sick than children who stay at home. • Children are at risk for getting communicable diseases because: – they have developing immune systems – Infants & young children explore their environment by using their hands and ...
EVD - EBOLA VIRUS DISEASE West Africa
... An outbreak of Ebola virus disease (EVD) with onset in early February 2014 continues to evolve in West Africa. This is the first such outbreak in the region. Two countries, Guinea and Liberia, have reported confirmed cases. The first cases were reported from the forested region of south-eastern Guin ...
... An outbreak of Ebola virus disease (EVD) with onset in early February 2014 continues to evolve in West Africa. This is the first such outbreak in the region. Two countries, Guinea and Liberia, have reported confirmed cases. The first cases were reported from the forested region of south-eastern Guin ...
Viral History
... Capsids ,Viral Envelope and tail fiber. • Their nucleic acid may consists of a single or several molecules of DNA or RNA. The smallest viruses have four genes while the largest have up to two hundreds. • Capsid : The protein coat that encloses the nucleic acid is called a capsid. It may be are diffe ...
... Capsids ,Viral Envelope and tail fiber. • Their nucleic acid may consists of a single or several molecules of DNA or RNA. The smallest viruses have four genes while the largest have up to two hundreds. • Capsid : The protein coat that encloses the nucleic acid is called a capsid. It may be are diffe ...
A case of dengue type 3 virus infection imported
... We have described a case of dengue virus infection imported into Italy from Africa, which to date has been a rare occurrence as most cases seen in European travel clinics have been imported either from Asia or the Americas. Dengue virus has been known to circulate in parts of Africa for decades, and ...
... We have described a case of dengue virus infection imported into Italy from Africa, which to date has been a rare occurrence as most cases seen in European travel clinics have been imported either from Asia or the Americas. Dengue virus has been known to circulate in parts of Africa for decades, and ...
Infectious Bovine Rhinotracheitis
... Marker Vaccine The use of ‘marker’ vaccines allows laboratory testing to be used to distinguish antibodies raised as a consequence of vaccination from those raised following challenge by the disease. It is important to recognise that vaccination with a marker vaccine will not prevent antibodies bein ...
... Marker Vaccine The use of ‘marker’ vaccines allows laboratory testing to be used to distinguish antibodies raised as a consequence of vaccination from those raised following challenge by the disease. It is important to recognise that vaccination with a marker vaccine will not prevent antibodies bein ...
Acute Viral Encephalitis and Brain abscess:
... -Common etiology of sporadic viral encephalitis. - It is accounting for 10% of cases in USA. -For these cases, it is associated with 70% mortality rate. ...
... -Common etiology of sporadic viral encephalitis. - It is accounting for 10% of cases in USA. -For these cases, it is associated with 70% mortality rate. ...
Antifungal Drugs
... virus → its ability to penetrate into cells decreased → inhibition of the replication of influenza A virus. Spectrum of activity Amantadine and rimantadine are active only against influenza A virus. Influenza B is not affected. Adverse reactions GIT: abdominal pain, loss of appetite, nause ...
... virus → its ability to penetrate into cells decreased → inhibition of the replication of influenza A virus. Spectrum of activity Amantadine and rimantadine are active only against influenza A virus. Influenza B is not affected. Adverse reactions GIT: abdominal pain, loss of appetite, nause ...
SARS: Epidemiology in Action
... • HIV – Predominantly MSM/IVDU in US and Europe – Predominantly heterosexual in Africa ...
... • HIV – Predominantly MSM/IVDU in US and Europe – Predominantly heterosexual in Africa ...
Virus Dynamics and Evolution: Bridging Scales and Disciplines
... viral sequence evolution over the course of infection of the natural host organisms. Virus evolutionary changes are determined by mutation rate and viral generation time and by selective pressures imposed by the host environment. These metrics inform variation in virus replication under changing hos ...
... viral sequence evolution over the course of infection of the natural host organisms. Virus evolutionary changes are determined by mutation rate and viral generation time and by selective pressures imposed by the host environment. These metrics inform variation in virus replication under changing hos ...
PowerPoint
... A reservoir is a site where a disease causing organism lives whether it be bacterial, fungi, viral or parasitic. ...
... A reservoir is a site where a disease causing organism lives whether it be bacterial, fungi, viral or parasitic. ...
West Nile Virus
... A 1962 outbreak in france and a 1974 outbreak in South Africa had some patients were recognized as developing meningitis or encephalitis while many others simply developed mild febrile effects. Through the 70’s and 80’s, few large outbreaks were reported In 1996, an outbreak of WNV in Buchurest, Rom ...
... A 1962 outbreak in france and a 1974 outbreak in South Africa had some patients were recognized as developing meningitis or encephalitis while many others simply developed mild febrile effects. Through the 70’s and 80’s, few large outbreaks were reported In 1996, an outbreak of WNV in Buchurest, Rom ...