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10.5mb ppt
... The agent reproduces the disease when introduced into an appropriate host The agent can be recultured from the disease host ...
... The agent reproduces the disease when introduced into an appropriate host The agent can be recultured from the disease host ...
abstract
... Paramyxoviruses are a family of spherical virons that contain negatively stranded RNA and are found in a variety of common human and animal pathogens. Members of this family would include Measles, Mumps, and other respiratory viruses. Paramyxoviruses are unique in that they contain two glycoproteins ...
... Paramyxoviruses are a family of spherical virons that contain negatively stranded RNA and are found in a variety of common human and animal pathogens. Members of this family would include Measles, Mumps, and other respiratory viruses. Paramyxoviruses are unique in that they contain two glycoproteins ...
Emerging Infectious Disease Categories (NIAID)
... include emerging pathogens that could be engineered for mass dissemination in the future because of Availability Ease of production and dissemination Potential for high morbidity and mortality rates and major health impact ...
... include emerging pathogens that could be engineered for mass dissemination in the future because of Availability Ease of production and dissemination Potential for high morbidity and mortality rates and major health impact ...
Lessons from the 2006–2007 Rift Valley fever outbreak in East
... For understanding and discovering diseases that originate from animals, it would be useful to conduct systematic studies that explore the profile of colonizing and potentially zoonotic microorganisms. New, sophisticated tools for pathogen discovery and detection, such as microarrays, can be used to ...
... For understanding and discovering diseases that originate from animals, it would be useful to conduct systematic studies that explore the profile of colonizing and potentially zoonotic microorganisms. New, sophisticated tools for pathogen discovery and detection, such as microarrays, can be used to ...
1a-Infection-and
... includes touching and a bite or scratch from an infected animal. c. Mother to fetus Direct contact disease transmission in which pathogens cross the placenta and can infect an unborn child. ...
... includes touching and a bite or scratch from an infected animal. c. Mother to fetus Direct contact disease transmission in which pathogens cross the placenta and can infect an unborn child. ...
On the trail of hospital pathogens
... ‘At least some of these infections could be avoided by compliance to good hygiene,’ notes Mardjan Arvand, head of the unit for Hospital Hygiene, Infection Prevention and Control at the Robert Koch Institute (RKI). The Robert Koch Institute regularly publishes updated guidelines, which are developed ...
... ‘At least some of these infections could be avoided by compliance to good hygiene,’ notes Mardjan Arvand, head of the unit for Hospital Hygiene, Infection Prevention and Control at the Robert Koch Institute (RKI). The Robert Koch Institute regularly publishes updated guidelines, which are developed ...
REVIEWS - Jared Diamond
... Many of the major human infectious diseases, including some now confined to humans and absent from animals, are ‘new’ ones that arose only after the origins of agriculture. Where did they come from? Why are they overwhelmingly of Old World origins? Here we show that answers to these questions are di ...
... Many of the major human infectious diseases, including some now confined to humans and absent from animals, are ‘new’ ones that arose only after the origins of agriculture. Where did they come from? Why are they overwhelmingly of Old World origins? Here we show that answers to these questions are di ...
Vertebrate reservoirs and secondary epidemiological cycles of
... and back-to-nature activities in tick-infested habitats, exacerbated by increasing secondary hosts as land is set aside for recreation and wildlife conservation. Equally, tick-borne encephalitis has been associated with poorer communities where, as income drops, there is increasing foraging for supp ...
... and back-to-nature activities in tick-infested habitats, exacerbated by increasing secondary hosts as land is set aside for recreation and wildlife conservation. Equally, tick-borne encephalitis has been associated with poorer communities where, as income drops, there is increasing foraging for supp ...
Hepatitis A Virus
... low prevalence of anti-HEV (<2%) has been found in healthy populations. The source of infection for these persons is unknown. Minimal person-to-person transmission. Risk groups for severe course: Pregnancy, DM, obesity, hypertension, ischemic heart disease ...
... low prevalence of anti-HEV (<2%) has been found in healthy populations. The source of infection for these persons is unknown. Minimal person-to-person transmission. Risk groups for severe course: Pregnancy, DM, obesity, hypertension, ischemic heart disease ...
Nine challenges for deterministic epidemic models
... 3. Modelling multi-strain systems The nature of diversity is as poorly understood in epidemiology as in many other branches of population biology. We have only two general models available: the quasi-species model of mutationselection balance and the competitive exclusion principle. Most models of s ...
... 3. Modelling multi-strain systems The nature of diversity is as poorly understood in epidemiology as in many other branches of population biology. We have only two general models available: the quasi-species model of mutationselection balance and the competitive exclusion principle. Most models of s ...
Department of Pathogen Molecular Biology
... pathogens, (ii) studying immune evasion mechanisms of particular disease agents, (iii) deciphering the genetic ...
... pathogens, (ii) studying immune evasion mechanisms of particular disease agents, (iii) deciphering the genetic ...
PowerPoint 簡報
... 2. The effect of the normal flora on the host was not well understood until germ-free animals became available. Cesarean Section => Germ-free animals => Isolators w/o detectable pathogens (viruses, bacteria & others) ...
... 2. The effect of the normal flora on the host was not well understood until germ-free animals became available. Cesarean Section => Germ-free animals => Isolators w/o detectable pathogens (viruses, bacteria & others) ...
Principles of Infectious Disease Epidemiology [M.Tevfik DORAK]
... If R0 is 2, then R < 1 if the proportion of immune, p, is > 0.50 If R0 is 4, then R < 1 if the proportion of immune, p, is > 0.75 If the mean number of secondary cases should be < 1, then R0 – (p • R0) < 1 p > (R0 – 1)/ R0 = 1 – 1/ R0 If R0 =15, how large will p need to be to avoid an epidemic? p ...
... If R0 is 2, then R < 1 if the proportion of immune, p, is > 0.50 If R0 is 4, then R < 1 if the proportion of immune, p, is > 0.75 If the mean number of secondary cases should be < 1, then R0 – (p • R0) < 1 p > (R0 – 1)/ R0 = 1 – 1/ R0 If R0 =15, how large will p need to be to avoid an epidemic? p ...
Lecture Presentation to accompany Principles of Life
... Phylogenetic trees can be tested with computer simulations and by experiments on living organisms. These studies have confirmed the accuracy of phylogenetic methods and have been used to refine those methods and extend them to new applications. ...
... Phylogenetic trees can be tested with computer simulations and by experiments on living organisms. These studies have confirmed the accuracy of phylogenetic methods and have been used to refine those methods and extend them to new applications. ...
Periodontal Therapy and the Medical Model for Treating a Systemic
... Dentists are confronted with a strong and consistent organizational message that the use of systemic antibiotics to adjunctively treat periodontitis is inappropriate. Of the thousands of studies and research articles released since 2005 on the subject, only a select few have been chosen to frame the ...
... Dentists are confronted with a strong and consistent organizational message that the use of systemic antibiotics to adjunctively treat periodontitis is inappropriate. Of the thousands of studies and research articles released since 2005 on the subject, only a select few have been chosen to frame the ...
Reprint
... Figure I. Schematics of inessential and essential nested models. (a) Inessential. Within-host dynamics influence between-host processes but not vice versa. For example, suppose that parasite replication within a host determines the rate of transmission to new hosts as well as the rate of disease-ind ...
... Figure I. Schematics of inessential and essential nested models. (a) Inessential. Within-host dynamics influence between-host processes but not vice versa. For example, suppose that parasite replication within a host determines the rate of transmission to new hosts as well as the rate of disease-ind ...
EPICYTE
... capacity. The plantibodies are purified from plants and formulated as I .4 pharmaceuticals. PIantibodies will supplement and mimic the prevention role& M’ ‘?i,i+. mucosal antibodies. Healthy humans produce antibodies in large quantities (approximately 4 g/day, more than all other antibody types comb ...
... capacity. The plantibodies are purified from plants and formulated as I .4 pharmaceuticals. PIantibodies will supplement and mimic the prevention role& M’ ‘?i,i+. mucosal antibodies. Healthy humans produce antibodies in large quantities (approximately 4 g/day, more than all other antibody types comb ...
Bridge hosts, a missing link for disease ecology in multi-host systems
... role in the maintenance of the pathogen seems more appropriate than the “reservoir” concept [11,15] for understanding pathogen dynamics. The reservoir concept is still being used in contradictory ways, as discussed by several authors [10-12]. Haydon et al. [10] extended the definition of reservoir b ...
... role in the maintenance of the pathogen seems more appropriate than the “reservoir” concept [11,15] for understanding pathogen dynamics. The reservoir concept is still being used in contradictory ways, as discussed by several authors [10-12]. Haydon et al. [10] extended the definition of reservoir b ...
ppt
... Arthropodes: insects, ticks and mites which either are parasitic or transmit parasites as vectors (we only have time to discuss the most important groups causing human disease, there are many additional parasites outside these groups) ...
... Arthropodes: insects, ticks and mites which either are parasitic or transmit parasites as vectors (we only have time to discuss the most important groups causing human disease, there are many additional parasites outside these groups) ...
Part 4: Direct transmission
... We start the explanation with the simplest Equations 3-6 describing the k infectious classes (Ih) and the recovered state (Rh). Latently infected hosts (Lh) enter the first infectious state in the first infectious class from the latent state with a transition rate jh , and leave each infectious cl ...
... We start the explanation with the simplest Equations 3-6 describing the k infectious classes (Ih) and the recovered state (Rh). Latently infected hosts (Lh) enter the first infectious state in the first infectious class from the latent state with a transition rate jh , and leave each infectious cl ...
Interventions for Clients with Infection
... associated infections are infections acquired in the inpatient health care setting which were not present or incubating at admission. Endogenous infection is from a client’s flora. Exogenous infection is from outside the client, often from the hands of health care workers. ...
... associated infections are infections acquired in the inpatient health care setting which were not present or incubating at admission. Endogenous infection is from a client’s flora. Exogenous infection is from outside the client, often from the hands of health care workers. ...
Lecture 7
... How bacterial pathogen damage host cell Antitoxins = antibody to toxins = provide • immunity to exotoxins Toxoid = altered exotoxin = exotoxins are • inactivated by heat or by formaldehyde , iodine or other chemicals ...
... How bacterial pathogen damage host cell Antitoxins = antibody to toxins = provide • immunity to exotoxins Toxoid = altered exotoxin = exotoxins are • inactivated by heat or by formaldehyde , iodine or other chemicals ...