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A parasite-driven wedge: infectious diseases may explain language
... he measured using mean growing season. He suggested that areas with long growing seasons provide conditions that allow for self-reliance on local resources within a particular ethnic group. In contrast, people in areas with short growing seasons must participate in contact and trade with other ethni ...
... he measured using mean growing season. He suggested that areas with long growing seasons provide conditions that allow for self-reliance on local resources within a particular ethnic group. In contrast, people in areas with short growing seasons must participate in contact and trade with other ethni ...
Spatiotemporal environmental triggers of Ebola and Marburg virus
... signal but also where in the signal the different scales are active. For example, suppose a time series consists of two modes (a diurnal and an annual cycle), wavelets allow us to determine when in the signal each of the different cycles is dominant. During certain times, the diurnal cycle might be ...
... signal but also where in the signal the different scales are active. For example, suppose a time series consists of two modes (a diurnal and an annual cycle), wavelets allow us to determine when in the signal each of the different cycles is dominant. During certain times, the diurnal cycle might be ...
Statistical studies of infectious disease incidence
... We saw earlier that estimation is straightforward when the epidemic is fully observed. Thus, if it were possible to reconstruct the complete epidemic process from the available data we could estimate parameters in a simple way. One example of this idea is presented at the end of Section 7.2. 2.2. Ep ...
... We saw earlier that estimation is straightforward when the epidemic is fully observed. Thus, if it were possible to reconstruct the complete epidemic process from the available data we could estimate parameters in a simple way. One example of this idea is presented at the end of Section 7.2. 2.2. Ep ...
Antibodies to Human, Animal, and Plant Pathogens
... BacTrace antibodies and conjugates are well suited for most applications from basic detection methods such as sandwich ELISA to more advanced detection methods such as inclusion in biosensors to immunomagnetic enrichment of bacterial cultures. This versatility allows scientists to use antibodies fro ...
... BacTrace antibodies and conjugates are well suited for most applications from basic detection methods such as sandwich ELISA to more advanced detection methods such as inclusion in biosensors to immunomagnetic enrichment of bacterial cultures. This versatility allows scientists to use antibodies fro ...
Zika Virus in the Americas — Yet Another Arbovirus Threat
... been epidemic in the Americas confounds clinical diagnoses. Specific tests for dengue and chikungunya are not always available, and commercial tests for Zika have not yet been developed. Moreover, because Zika is closely related to dengue, serologic samples may cross-react in tests for either virus. ...
... been epidemic in the Americas confounds clinical diagnoses. Specific tests for dengue and chikungunya are not always available, and commercial tests for Zika have not yet been developed. Moreover, because Zika is closely related to dengue, serologic samples may cross-react in tests for either virus. ...
Populations and Infectious Diseases: Ecology or Epidemiology?
... 'shifts' (e.g. from HI to H2, and from N1 to N2; infection by one strain confers little immunity to infection by another strain) and more frequent minor 'drifts'. Major 'shifts' facilitate virus persistence in a population with a high degree of herd immunity to earlier antigenic variants, and are of ...
... 'shifts' (e.g. from HI to H2, and from N1 to N2; infection by one strain confers little immunity to infection by another strain) and more frequent minor 'drifts'. Major 'shifts' facilitate virus persistence in a population with a high degree of herd immunity to earlier antigenic variants, and are of ...
Modes of Transmission - Home - KSU Faculty Member websites
... They are very tiny particles less than 5 µ (microns) in size and may remain suspended in the air for long periods. Examples: Tuberculosis is transmitted more often indirectly, through droplet nuclei, than directly, through direct droplet spread. ...
... They are very tiny particles less than 5 µ (microns) in size and may remain suspended in the air for long periods. Examples: Tuberculosis is transmitted more often indirectly, through droplet nuclei, than directly, through direct droplet spread. ...
Why Ebola is Not likely to Become Airbrone
... Why we don’t think Ebola will mutate to become airborne • Viruses are ancient. They constantly mutate; this is expected and normal. • Mutations occur every time a virus replicates or makes copies, but most mutations are “silent” and have no effect on the virus. • Even as Ebola mutates, like all viru ...
... Why we don’t think Ebola will mutate to become airborne • Viruses are ancient. They constantly mutate; this is expected and normal. • Mutations occur every time a virus replicates or makes copies, but most mutations are “silent” and have no effect on the virus. • Even as Ebola mutates, like all viru ...
Training Manual on wildlife diseases and surveillance
... animal health and welfare and its mandate to ensure transparency in the animal health situation worldwide, has constantly encouraged its Members2 to improve the understanding of the disease situation in wildlife and to regularly report relevant information to the OIE. At the 76th General Session of ...
... animal health and welfare and its mandate to ensure transparency in the animal health situation worldwide, has constantly encouraged its Members2 to improve the understanding of the disease situation in wildlife and to regularly report relevant information to the OIE. At the 76th General Session of ...
current scenario of therapeutics for ebola virus disease
... its diameter is around 80 nm with (-) ve stranded RNA. Genome of EVD is nearly 19kb in size which encodes for seven proteins NP (Nucleoprotien) vp35, vp40, GP (Glycoprotein), vp30, vp24 and L (Polymerase). How Ebola virus attacks the human system is not completely elucidated. Ebola virus attaches to ...
... its diameter is around 80 nm with (-) ve stranded RNA. Genome of EVD is nearly 19kb in size which encodes for seven proteins NP (Nucleoprotien) vp35, vp40, GP (Glycoprotein), vp30, vp24 and L (Polymerase). How Ebola virus attacks the human system is not completely elucidated. Ebola virus attaches to ...
Diseases in insects produced for food and feed
... on the egg surface even in the laboratory since surface sterilisation of eggs is often incapable of complete pathogen elimination (Kukan, 1999; Myers et al., 2000). As seen from the above-mentioned examples of virus infections among insects produced for food and feed, viruses may cause different sym ...
... on the egg surface even in the laboratory since surface sterilisation of eggs is often incapable of complete pathogen elimination (Kukan, 1999; Myers et al., 2000). As seen from the above-mentioned examples of virus infections among insects produced for food and feed, viruses may cause different sym ...
Chapter 12: Fungi, Algae, Protozoa, and Multicellular Parasites
... Have organelles at the tips of their cells that contain enzymes that allow them to enter the host’s tissues. Have complex life cycle with transfer between multiple hosts. – Examples: • Plasmodium vivax – Causes malaria via a mosquito vector. • Babesia microti – Causes fever and anemia in immunosuppr ...
... Have organelles at the tips of their cells that contain enzymes that allow them to enter the host’s tissues. Have complex life cycle with transfer between multiple hosts. – Examples: • Plasmodium vivax – Causes malaria via a mosquito vector. • Babesia microti – Causes fever and anemia in immunosuppr ...
An epidemic model of a vector-borne disease with direct
... the avian population as a host while Bowman et al. also take into account the human host in addition to the vector and the avian host (Bowman et al. [33]). The complex interaction of the ticks that transmit Lyme disease and possible multiple hosts was also investigated through mathematical models (P ...
... the avian population as a host while Bowman et al. also take into account the human host in addition to the vector and the avian host (Bowman et al. [33]). The complex interaction of the ticks that transmit Lyme disease and possible multiple hosts was also investigated through mathematical models (P ...
AbstractBook - Aix-Marseille Université
... are modeled using ordinary differential equations, one for each trophic level. Two model formulations are studied. In the classical Rosenzweig-MacArthur (RM) model in absence of the predator the prey grows logistically. Consequently no nutrient, resource for the prey, is modeled explicitly and the m ...
... are modeled using ordinary differential equations, one for each trophic level. Two model formulations are studied. In the classical Rosenzweig-MacArthur (RM) model in absence of the predator the prey grows logistically. Consequently no nutrient, resource for the prey, is modeled explicitly and the m ...
Photochemical inactivation of chikungunya virus in plasma and
... supply is currently reliant on specific antibody- and nucleic acid–based pathogen detection tests—with exclusion criteria for potentially infectious donors. However, specific tests are not currently available or approved to screen for all agents that have the potential for transfusion transmission a ...
... supply is currently reliant on specific antibody- and nucleic acid–based pathogen detection tests—with exclusion criteria for potentially infectious donors. However, specific tests are not currently available or approved to screen for all agents that have the potential for transfusion transmission a ...
... due to the sampling procedure and it is used in calculating the correct sample size in cluster studies (3,4). It can be also used to adjust the significant levels of risk factors and confidence intervals in cross sectional cluster studies (4, 5). Knowing D for a specific disease may sample size calc ...
2009 Influenza A & Building’s Indoor Air
... 1959. Infective hazards of Water Closets. Lancet. “Any process involving the splashing or frothing produces droplets, which remain suspended in the air for a variable period depending upon the mass and evaporation-rate of the droplets, and the velocity and direction of the local air currents. Apart ...
... 1959. Infective hazards of Water Closets. Lancet. “Any process involving the splashing or frothing produces droplets, which remain suspended in the air for a variable period depending upon the mass and evaporation-rate of the droplets, and the velocity and direction of the local air currents. Apart ...
density, contact rates, and transmission of dengue across Pakistan
... school openings in the case of influenza [21]. Spatial variation in mixing could arise because of cultural differences at geographical scales [3,22,23], because of variation in the density and quality of roads [24], or because of variation in human densities and myriad-associated factors [13,25]. Fo ...
... school openings in the case of influenza [21]. Spatial variation in mixing could arise because of cultural differences at geographical scales [3,22,23], because of variation in the density and quality of roads [24], or because of variation in human densities and myriad-associated factors [13,25]. Fo ...
Alternative Vision. Full Proposal FINAL (A0106742)
... problems in the United States as well as worldwide. There is concern that some of these diseases--for example, Lassa fever--are significantly underreported in Africa.4 Lassa does not represent a public health threat in the United States. The fact that it is underreported does not qualify it as an em ...
... problems in the United States as well as worldwide. There is concern that some of these diseases--for example, Lassa fever--are significantly underreported in Africa.4 Lassa does not represent a public health threat in the United States. The fact that it is underreported does not qualify it as an em ...
Population dynamics of infectious diseases: A discrete time model
... and measles from humans poses a serious threat to mountain gorillas (Cleaveland et al., 2001; Dobson and Foufopoulos, 2001). As wildlife populations diminish and the interest in their conservation increases, it becomes essential to investigate the importance of the impact of diseases at the populati ...
... and measles from humans poses a serious threat to mountain gorillas (Cleaveland et al., 2001; Dobson and Foufopoulos, 2001). As wildlife populations diminish and the interest in their conservation increases, it becomes essential to investigate the importance of the impact of diseases at the populati ...
LETTERS
... We have shown that mutators are more likely to evolve when bacteria coevolve with phages than when they evolve in isolation, but it is less clear why. In our simulations, mutators are indirectly favoured because they hitch-hike with alleles that confer resistance to coevolving phage populations. An ...
... We have shown that mutators are more likely to evolve when bacteria coevolve with phages than when they evolve in isolation, but it is less clear why. In our simulations, mutators are indirectly favoured because they hitch-hike with alleles that confer resistance to coevolving phage populations. An ...
Infectious diseases epidemiology
... As any model, mathematical models are useful for forming more or less complete representations of the relations between the different components of a system. Mathematical models are therefore useful not only for studying aspects of this relation but also for verifying whether it changes when subject ...
... As any model, mathematical models are useful for forming more or less complete representations of the relations between the different components of a system. Mathematical models are therefore useful not only for studying aspects of this relation but also for verifying whether it changes when subject ...
Human Health Unit - Amanda Gurgul`s Science Teaching Portfolio
... Students will develop an understanding of how pathogens are spread by conducting a lab where students predict and test which surfaces in the school have the most bacteria. Students will watch and Prezi and video, take notes about, and act out how our bodies’ immune system fights against pathogens. S ...
... Students will develop an understanding of how pathogens are spread by conducting a lab where students predict and test which surfaces in the school have the most bacteria. Students will watch and Prezi and video, take notes about, and act out how our bodies’ immune system fights against pathogens. S ...
A probabilistic model in cross-sectional studies for identifying
... of is that such models require numerous parameters, many of which are poorly known and difficult to obtain. The models consequently are often associated with simulation models [18]. We propose a new modelling approach to identify potential pairwise interactions in cross-sectional studies that combin ...
... of is that such models require numerous parameters, many of which are poorly known and difficult to obtain. The models consequently are often associated with simulation models [18]. We propose a new modelling approach to identify potential pairwise interactions in cross-sectional studies that combin ...
Professor Fred Brauer`s BMC paper on Math Epidemiology
... order to explain why part of the population escapes infection during an epidemic, it is natural to try to give a description of how the disease spreads. Such a description, or model, does not necessarily try to include all the details of the epidemic spread, but attempts to incorporate the factors t ...
... order to explain why part of the population escapes infection during an epidemic, it is natural to try to give a description of how the disease spreads. Such a description, or model, does not necessarily try to include all the details of the epidemic spread, but attempts to incorporate the factors t ...