Notifiable Disease Guidelines - Yellow Fever - July
... entering the forest. The Haemagogus mosquitoes in South America and the Ae. africanus in Africa acquire the disease from monkeys and possibly marsupials. The intermediate cycle of yellow fever transmission occurs in humid or semi-humid savannahs of Africa and can produce small-scale epidemics in rur ...
... entering the forest. The Haemagogus mosquitoes in South America and the Ae. africanus in Africa acquire the disease from monkeys and possibly marsupials. The intermediate cycle of yellow fever transmission occurs in humid or semi-humid savannahs of Africa and can produce small-scale epidemics in rur ...
mauritania national survey
... is transmitted through direct contact with infected blood or body fluids. A common misconception is that the virus can also be spread through air particles. To assess knowledge levels among Mauritanians, a multiple response question related to modes of Ebola transmission was administered to those na ...
... is transmitted through direct contact with infected blood or body fluids. A common misconception is that the virus can also be spread through air particles. To assess knowledge levels among Mauritanians, a multiple response question related to modes of Ebola transmission was administered to those na ...
What is Dengue?1
... The Vectors The main vector of dengue is the yellow fever mosquito Aedes aegypti, but the Asian tiger mosquito, Aedes albopictus is also a competent vector and can function as an interhabitat bridge vector for the arboviruses (Lourençode-Oliveira et al. 2004). Ae. aegypti is a medium-sized dark mosq ...
... The Vectors The main vector of dengue is the yellow fever mosquito Aedes aegypti, but the Asian tiger mosquito, Aedes albopictus is also a competent vector and can function as an interhabitat bridge vector for the arboviruses (Lourençode-Oliveira et al. 2004). Ae. aegypti is a medium-sized dark mosq ...
Management of Dengue Fever
... and DENV-3. Also, a decreased sensitivity for DENV-4 with the Dengue Early ELISA has been reported in studies from South America (Bessoff et al., 2008; Dussart et al., 2008). A lower sensitivity for DENV-2 has been described in samples from Vietnam (Hang et al., 2009) tested by the PLATELIA™ systems ...
... and DENV-3. Also, a decreased sensitivity for DENV-4 with the Dengue Early ELISA has been reported in studies from South America (Bessoff et al., 2008; Dussart et al., 2008). A lower sensitivity for DENV-2 has been described in samples from Vietnam (Hang et al., 2009) tested by the PLATELIA™ systems ...
The Mathematics of Mosquitoes and West Nile Virus
... Nile virus are all mosquito-borne. It is West Nile virus that has piqued my interest of late. First identified in Uganda in 1937, the virus is well established in its native Africa where it lives primarily in birds and is transmitted among them by mosquitoes. Only occasionally does a mosquito transmi ...
... Nile virus are all mosquito-borne. It is West Nile virus that has piqued my interest of late. First identified in Uganda in 1937, the virus is well established in its native Africa where it lives primarily in birds and is transmitted among them by mosquitoes. Only occasionally does a mosquito transmi ...
Variations in Dilution of DSSE 10 Antibody in Immunocytochemistry
... Introduction: Dengue viruses, globally the most prevalent arboviruses, are transmitted to humans by persistently infected Aedes mosquitoes. The most important vector of Dengue virus is the mosquito Ae. aegypti, which should be the main target of surveillance and control activities. Virologic surveil ...
... Introduction: Dengue viruses, globally the most prevalent arboviruses, are transmitted to humans by persistently infected Aedes mosquitoes. The most important vector of Dengue virus is the mosquito Ae. aegypti, which should be the main target of surveillance and control activities. Virologic surveil ...
Pathology of Henipavirus infection in humans and
... The first known human case of HeV infection was from MacKay, Australia, in August 1994 but this was not recognised until after infection and death of another case from Hendra, a month later. So far 6 people have been infected, with 3 fatalities. All cases have had close contact with infected horses. ...
... The first known human case of HeV infection was from MacKay, Australia, in August 1994 but this was not recognised until after infection and death of another case from Hendra, a month later. So far 6 people have been infected, with 3 fatalities. All cases have had close contact with infected horses. ...
Optimization of Newcastle Disease Virus Production in T
... At the model level, the correlation measures for the estimation of the regression equation are the correlation coefficient R and the determination coefficient R2. The correlation between the experimental and predicted values is better when the value of R is closer to 1[9][26]. In this experiment, th ...
... At the model level, the correlation measures for the estimation of the regression equation are the correlation coefficient R and the determination coefficient R2. The correlation between the experimental and predicted values is better when the value of R is closer to 1[9][26]. In this experiment, th ...
Equine West Nile Encephalitis: Epidermiological and Clinical
... experiences indicate a change in viral biology.11 In 1999, the incursion of WN virus into the Western Hemisphere was first recognized because of fatal infections in zoo birds and massive numbers of crow deaths near New York City.12 Genetic studies revealed that the New York 1999 strain was closely r ...
... experiences indicate a change in viral biology.11 In 1999, the incursion of WN virus into the Western Hemisphere was first recognized because of fatal infections in zoo birds and massive numbers of crow deaths near New York City.12 Genetic studies revealed that the New York 1999 strain was closely r ...
Information on Arboviral Encephalitides
... on a natural focus, or the virus escapes this focus via a secondary vector or vertebrate host as the result of some ecologic change. Humans and domestic animals can develop clinical illness but usually are "dead -end" hosts because they do not produce significant viremia, and do not contribute to th ...
... on a natural focus, or the virus escapes this focus via a secondary vector or vertebrate host as the result of some ecologic change. Humans and domestic animals can develop clinical illness but usually are "dead -end" hosts because they do not produce significant viremia, and do not contribute to th ...
Isolation and physiological characterization of a novel virus infecting
... Recent studies have shown the importance of viruses as potential sources of plankton mortality, which affect primary production and biogeochemical functions of their hosts. Here, we report basic characteristics of a novel virus (Stephanopyxis palmeriana virus: SpalV) that causes lysis of a culture o ...
... Recent studies have shown the importance of viruses as potential sources of plankton mortality, which affect primary production and biogeochemical functions of their hosts. Here, we report basic characteristics of a novel virus (Stephanopyxis palmeriana virus: SpalV) that causes lysis of a culture o ...
Detection of viral sequences in semen of honeybees (Apis mellifera
... transmission of virus infections of honeybees. ABPV has been detected in the thoracic salivary glands of adult bees and virus transmission to larvae by feeding was demonstrated (Bailey and Ball, 1991). For SBV, virus accumulation in the hypopharyngeal glands of adult bees and transmission through fe ...
... transmission of virus infections of honeybees. ABPV has been detected in the thoracic salivary glands of adult bees and virus transmission to larvae by feeding was demonstrated (Bailey and Ball, 1991). For SBV, virus accumulation in the hypopharyngeal glands of adult bees and transmission through fe ...
fs_west_nile virus.indd
... workers, and other outdoor workers. In one confirmed case, a single organ donor transmitted the WNV to four recipients. The donor had previously received numerous blood transfusions but it is not known how the donor contracted the virus. As of November 2004, no recorded cases of WNV have been transm ...
... workers, and other outdoor workers. In one confirmed case, a single organ donor transmitted the WNV to four recipients. The donor had previously received numerous blood transfusions but it is not known how the donor contracted the virus. As of November 2004, no recorded cases of WNV have been transm ...
West Nile Virus Infection and Pregnancy | MotherToBaby
... WNV is a virus that can infect humans, birds, mosquitoes, horses and some other mammals. It is commonly found in Africa, West Asia and the Middle East. Since 1999 WNV has been found in the United States. You cannot get WNV from birds or horses. If an infected mosquito bites a human, the human can be ...
... WNV is a virus that can infect humans, birds, mosquitoes, horses and some other mammals. It is commonly found in Africa, West Asia and the Middle East. Since 1999 WNV has been found in the United States. You cannot get WNV from birds or horses. If an infected mosquito bites a human, the human can be ...
Humans Meet Ebola Virus in Africa, 1976
... facility, high concentrations of virus in nasal and oropharyngeal secretions, and ultrastructural visualization of abundant virus particles in alveoli [17, 50]. However, this is far from saying that Ebola viruses are transmitted in the clinical setting by small-particle aerosols generated from an in ...
... facility, high concentrations of virus in nasal and oropharyngeal secretions, and ultrastructural visualization of abundant virus particles in alveoli [17, 50]. However, this is far from saying that Ebola viruses are transmitted in the clinical setting by small-particle aerosols generated from an in ...
Differentiation of Rubella Virus Strains by Neutralization Kinetics
... rabbit kidney cells. This has not been investigated, however, but it would be of great interest to compare the serological and other properties of the vaccine strains with the original isolates from which they were developed. Whether or not antigenic changes develop during passage of the virus in ce ...
... rabbit kidney cells. This has not been investigated, however, but it would be of great interest to compare the serological and other properties of the vaccine strains with the original isolates from which they were developed. Whether or not antigenic changes develop during passage of the virus in ce ...
dengue hemorrhagic fever - DLSU-D
... infants and young children. It is carried by mosquitoes and caused by any of four related dengue viruses. This disease used to be called break-bone fever because it sometimes causes severe joint and muscle pain that feels like bones are breaking. ...
... infants and young children. It is carried by mosquitoes and caused by any of four related dengue viruses. This disease used to be called break-bone fever because it sometimes causes severe joint and muscle pain that feels like bones are breaking. ...
Herpes Viruses part 3
... ALL herpes viruses can establish latent infections. The viral genome may become incorporated into the host DNA or remain extrachromosomal Latent viruses can be reactivated by stress, menstruation or uv light Reactivation may be asymptomatic or lead to mild or severe disease. ...
... ALL herpes viruses can establish latent infections. The viral genome may become incorporated into the host DNA or remain extrachromosomal Latent viruses can be reactivated by stress, menstruation or uv light Reactivation may be asymptomatic or lead to mild or severe disease. ...
Lecture 01. Infectious diseases with exanthema syndrome
... Infectious diseases with exanthema syndrome ...
... Infectious diseases with exanthema syndrome ...
THE ISOLATION AND IDENTIFICATION OF INFECTIOUS BOVINE
... The clinical and serological responses of a cOw experimentally exposed to the protype Esfahan strain of the virus were similar to a mi Id manifestation of the natural disease. The clinical picture of the infection is described and it is shown that the virus stimulated the production of IBR antibodie ...
... The clinical and serological responses of a cOw experimentally exposed to the protype Esfahan strain of the virus were similar to a mi Id manifestation of the natural disease. The clinical picture of the infection is described and it is shown that the virus stimulated the production of IBR antibodie ...
The Potential for the Emergence of Dengue Fever along the U.S.
... fever and the dengue viruses. The etiological agents of dengue and dengue hemorrhagic fever are four antigenically related, but distinct viruses. DEN 1, DEN 2, DEN 3, and DEN 4 are classified in the genus Flavivirus, family Flaviviridae. ...
... fever and the dengue viruses. The etiological agents of dengue and dengue hemorrhagic fever are four antigenically related, but distinct viruses. DEN 1, DEN 2, DEN 3, and DEN 4 are classified in the genus Flavivirus, family Flaviviridae. ...
Non-Vector Transmission of Dengue and Other Mosquito
... virus group[1,2]. Non-vectored flaviviruses are probably maintained in nature by animal-toanimal transmission via saliva and urinary shedding. Flavivirus infection in mosquito occurs when the mosquito ingests a blood meal containing the virus, which infects the midgut epithelial cells and subsequent ...
... virus group[1,2]. Non-vectored flaviviruses are probably maintained in nature by animal-toanimal transmission via saliva and urinary shedding. Flavivirus infection in mosquito occurs when the mosquito ingests a blood meal containing the virus, which infects the midgut epithelial cells and subsequent ...
Ebola Virus Ecology
... south, where human and nonhuman-primate outbreaks of Ebola have been occurring with regularity in recent years. The Cameroon forest is also on the same latitude as southern Sudan, where the lessvirulent Sudan strain of Ebola virus circulates. We do know that some humans with high-titer antibody to E ...
... south, where human and nonhuman-primate outbreaks of Ebola have been occurring with regularity in recent years. The Cameroon forest is also on the same latitude as southern Sudan, where the lessvirulent Sudan strain of Ebola virus circulates. We do know that some humans with high-titer antibody to E ...
Seminal Fluid: Potential Sources of Ebola Virus Disease
... quickly spread to Sierra Leone and Liberia was officially declared a public health emergency of international concern by the World Health Organization (WHO) in August 2014 [4]. The course of the outbreak saw its spread to neighbouring countries -Nigeria, Mali, Senegal, and other non-African countrie ...
... quickly spread to Sierra Leone and Liberia was officially declared a public health emergency of international concern by the World Health Organization (WHO) in August 2014 [4]. The course of the outbreak saw its spread to neighbouring countries -Nigeria, Mali, Senegal, and other non-African countrie ...
Zika virus
Zika virus (ZIKV) is a member of the Flaviviridae virus family and the flavivirus genus. In humans, it causes a disease known as Zika fever. It is related to dengue, yellow fever, West Nile and Japanese encephalitis, viruses that are also members of the virus family Flaviviridae.