Chapter 12: Infection Control
... Direct Contact: spread by physical (hands) or sexual contact Indirect Contact: from contaminated substances to the person (food, air droplets, insects, clothing, instruments 5. Portal of Entry Way to enter a new reservoir or host Examples: breaks in skin or mucous membranes, respiratory trac ...
... Direct Contact: spread by physical (hands) or sexual contact Indirect Contact: from contaminated substances to the person (food, air droplets, insects, clothing, instruments 5. Portal of Entry Way to enter a new reservoir or host Examples: breaks in skin or mucous membranes, respiratory trac ...
Causes of Disease
... More about Infectious Disease The ability of one person or organism to transfer the infection to another person or organism describes a communicable disease Some diseases do not transfer well from one individual to another A highly infectious disease may stay in one kind of organism ...
... More about Infectious Disease The ability of one person or organism to transfer the infection to another person or organism describes a communicable disease Some diseases do not transfer well from one individual to another A highly infectious disease may stay in one kind of organism ...
Non-Specific Host Defense Lecture
... resistance or susceptibility to the parasite Pathogenicity varies greatly among individual pathogens. The quantitative measure of pathogenicity is VIRULENCE VIRULENCE = expressed as the cell number (pathogens) that will elicit a pathogenic response in the host within a given time period. NEITHER Vir ...
... resistance or susceptibility to the parasite Pathogenicity varies greatly among individual pathogens. The quantitative measure of pathogenicity is VIRULENCE VIRULENCE = expressed as the cell number (pathogens) that will elicit a pathogenic response in the host within a given time period. NEITHER Vir ...
OSHA
... Bloodborne Pathogens: pathogenic microorganisms that are present in human blood and can cause disease in humans. These pathogens include, but are not limited to, hepatitis B virus (HBV) and human immunodeficiency virus (HIV). ...
... Bloodborne Pathogens: pathogenic microorganisms that are present in human blood and can cause disease in humans. These pathogens include, but are not limited to, hepatitis B virus (HBV) and human immunodeficiency virus (HIV). ...
Bloodborne Pathogens
... If you work with or around blood and body fluids, you may be exposed to bloodborne pathogens, including HIV, hepatitis B and C, and others. These diseases are caused by pathogenic material that has been transmitted by exchange of body fluids. Most transmission of bloodborne pathogens occurs through ...
... If you work with or around blood and body fluids, you may be exposed to bloodborne pathogens, including HIV, hepatitis B and C, and others. These diseases are caused by pathogenic material that has been transmitted by exchange of body fluids. Most transmission of bloodborne pathogens occurs through ...
Infectious Disease and the Immune System Ch. 39
... dramatic increase in a new or uncommon disease ex. SARS • Pandemic Disease: global spread of disease ex. HIV/AIDS; H1N1 ...
... dramatic increase in a new or uncommon disease ex. SARS • Pandemic Disease: global spread of disease ex. HIV/AIDS; H1N1 ...
Host Parasite Relationship OBJECTIVES
... Virulence is measured by the Lethal dose 50 (LD50) which is the number of organisms or mg. of toxins that will kill 50% of susceptible lab. animal ( usually mice ) when injected into such animal. When the LD 50 is small, the microorganism is considered highly virulent and when it is high the organis ...
... Virulence is measured by the Lethal dose 50 (LD50) which is the number of organisms or mg. of toxins that will kill 50% of susceptible lab. animal ( usually mice ) when injected into such animal. When the LD 50 is small, the microorganism is considered highly virulent and when it is high the organis ...
The Chain of Infection
... time and at the right place for better results. It makes it easier to optimize resources to efficiently prevent the spread of pathogens. Eliminating just one these steps will break the chain, making it much less likely — if not impossible — for infection to spread. Break the chain of infection with ...
... time and at the right place for better results. It makes it easier to optimize resources to efficiently prevent the spread of pathogens. Eliminating just one these steps will break the chain, making it much less likely — if not impossible — for infection to spread. Break the chain of infection with ...
Bacterial disease
... The nature of bacterial disease The symptoms of the disease depen on the site of infection, toxic products of pathogens and the abbility of the host to combat the immune system Disease may be acute or chronic or asymptomatic ...
... The nature of bacterial disease The symptoms of the disease depen on the site of infection, toxic products of pathogens and the abbility of the host to combat the immune system Disease may be acute or chronic or asymptomatic ...
Approaches to Emerging Diseases
... Phylogenetic distance between reservoir and new host – Best transmission: within a species – Pathogens are more likely to cross between closely related species than distant ones • Close relatives: cattle sheep ...
... Phylogenetic distance between reservoir and new host – Best transmission: within a species – Pathogens are more likely to cross between closely related species than distant ones • Close relatives: cattle sheep ...
Concepts of Infectious Diseases
... presentations of illness – witness the first presentations of AIDS, West Nile virus or Legionnaire’s Disease. Most infections are, however, subclinical and are detected only when serologic or other sensitive assays become available for recognition of past exposure. This concept is often referred to ...
... presentations of illness – witness the first presentations of AIDS, West Nile virus or Legionnaire’s Disease. Most infections are, however, subclinical and are detected only when serologic or other sensitive assays become available for recognition of past exposure. This concept is often referred to ...
Concepts of Infectious Diseases
... presentations of illness – witness the first presentations of AIDS, West Nile virus or Legionnaire’s Disease. Most infections are, however, subclinical and are detected only when serologic or other sensitive assays become available for recognition of past exposure. This concept is often referred to ...
... presentations of illness – witness the first presentations of AIDS, West Nile virus or Legionnaire’s Disease. Most infections are, however, subclinical and are detected only when serologic or other sensitive assays become available for recognition of past exposure. This concept is often referred to ...
lecture3-host
... (LD50) which is the number of organisms or mg. of toxins that will kill 50% of susceptible lab. animal – usually mice – when injected into such animal. When the LD 50 is small, the microorganism is considered highly virulent and when it is high the organism is said to be of low virulence. ...
... (LD50) which is the number of organisms or mg. of toxins that will kill 50% of susceptible lab. animal – usually mice – when injected into such animal. When the LD 50 is small, the microorganism is considered highly virulent and when it is high the organism is said to be of low virulence. ...
conceptsID_Lowy
... presentations of illness – witness the first presentations of AIDS, West Nile virus or Legionnaire’s Disease. Most infections are, however, subclinical and are detected only when serologic or other sensitive assays become available for recognition of past exposure. This concept is often referred to ...
... presentations of illness – witness the first presentations of AIDS, West Nile virus or Legionnaire’s Disease. Most infections are, however, subclinical and are detected only when serologic or other sensitive assays become available for recognition of past exposure. This concept is often referred to ...
Concepts of Infectious Diseases
... presentations of illness – witness the first presentations of AIDS, West Nile virus or Legionnaire’s Disease. Most infections are, however, subclinical and are detected only when serologic or other sensitive assays become available for recognition of past exposure. This concept is often referred to ...
... presentations of illness – witness the first presentations of AIDS, West Nile virus or Legionnaire’s Disease. Most infections are, however, subclinical and are detected only when serologic or other sensitive assays become available for recognition of past exposure. This concept is often referred to ...
L11 Transmission of infectious diseases
... EPIDEMIOLOGY OF INFECTIOUS DISEASE EPIDEMIOLOGISTS STUDY THE OUTBREAK AND PATTERN OF INFECTIOUS DISEASES TO DETERMINE THE FACTORS WHICH AFFECT THE SPREAD OF ...
... EPIDEMIOLOGY OF INFECTIOUS DISEASE EPIDEMIOLOGISTS STUDY THE OUTBREAK AND PATTERN OF INFECTIOUS DISEASES TO DETERMINE THE FACTORS WHICH AFFECT THE SPREAD OF ...
Viruses - Effingham County Schools
... Each type of virus can infect only certain hosts. For example, a bacteriophage is a virus that only infects bacteria. The virus uses its capsid to attach to the host cell , like a key fitting a lock. There are 3 viral structures: bacteriophage, tobacco mossaic, and influenza. ...
... Each type of virus can infect only certain hosts. For example, a bacteriophage is a virus that only infects bacteria. The virus uses its capsid to attach to the host cell , like a key fitting a lock. There are 3 viral structures: bacteriophage, tobacco mossaic, and influenza. ...
4-host parasite rela..
... (LD50) which is the number of organisms or mg. of toxins that will kill 50% of susceptible lab. animal – usually mice – when injected into such animal. When the LD 50 is small, the microorganism is considered highly virulent and when it is high the organism is said to be of low virulence. ...
... (LD50) which is the number of organisms or mg. of toxins that will kill 50% of susceptible lab. animal – usually mice – when injected into such animal. When the LD 50 is small, the microorganism is considered highly virulent and when it is high the organism is said to be of low virulence. ...
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... antigenic variation; Concept of chronic vs acute infections and relationship between specific fungi/parasites Evaluation In class short answer exam COMMON THEMES OF INFECTIOUS DISEASE Long term residency in Con ...
... antigenic variation; Concept of chronic vs acute infections and relationship between specific fungi/parasites Evaluation In class short answer exam COMMON THEMES OF INFECTIOUS DISEASE Long term residency in Con ...
Diseases Powerpoint
... other living things (Lice, ticks)* prevention best, (don’t share brushes, use medicated shampoo, wear protective clothing in wooded areas, etc… ...
... other living things (Lice, ticks)* prevention best, (don’t share brushes, use medicated shampoo, wear protective clothing in wooded areas, etc… ...