Search Results - "Bastos, Armanda D"

A survey of mosquito-borne and insect-specific viruses in hospitals and livestock markets in western Kenya by Chiuya, Tatenda, Masiga, Daniel K, Falzon, Laura C, Bastos, Armanda D. S, Fèvre, Eric M, Villinger, Jandouwe

“…Aedes aegypti and Culex pipiens complex mosquitoes are prolific vectors of arboviruses that are a global threat to human and animal health. Increased…”
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Assessment of risk of dengue and yellow fever virus transmission in three major Kenyan cities based on Stegomyia indices by Agha, Sheila B, Tchouassi, David P, Bastos, Armanda D S, Sang, Rosemary

“…Dengue (DEN) and yellow fever (YF) are re-emerging in East Africa, with contributing drivers to this trend being unplanned urbanization and increasingly…”
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A continent-wide high genetic load in African buffalo revealed by clines in the frequency of deleterious alleles, genetic hitchhiking and linkage disequilibrium by van Hooft, Pim, Getz, Wayne M, Greyling, Barend J, Zwaan, Bas, Bastos, Armanda D S

“…A high genetic load can negatively affect population viability and increase susceptibility to diseases and other environmental stressors. Prior microsatellite…”
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Molecular screening reveals non-uniform malaria transmission in western Kenya and absence of Rickettsia africae and selected arboviruses in hospital patients by Chiuya, Tatenda, Villinger, Jandouwe, Falzon, Laura C, Alumasa, Lorren, Amanya, Fredrick, Bastos, Armanda D. S, Fèvre, Eric M, Masiga, Daniel K

“…Background In sub-Saharan Africa, malaria is the common diagnosis for febrile illness and related clinical features, resulting in the under-diagnosis of other…”
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Entomological assessment of dengue virus transmission risk in three urban areas of Kenya by Agha, Sheila B, Tchouassi, David P, Turell, Michael J, Bastos, Armanda D S, Sang, Rosemary

“…Urbanization is one of the major drivers of dengue epidemics globally. In Kenya, an intriguing pattern of urban dengue virus epidemics has been documented in…”
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Role of Wild Suids in the Epidemiology of African Swine Fever by Jori, Ferran, Bastos, Armanda D. S.

“…There is presently no vaccine to combat African swine fever (ASF), a viral hemorrhagic fever of domestic pigs that causes up to 100% morbidity and mortality in…”
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Experimental Infection of Domestic Pigs ( Sus scrofa ) with Rift Valley Fever Virus by Lubisi, Baratang Alison, Mutowembwa, Paidamwoyo Barry, Ndouvhada, Phumudzo Nomicia, Odendaal, Lieza, Bastos, Armanda D S, Penrith, Mary-Louise

“…Rift valley fever (RVF), caused by the RVF virus (RVFV), is a vector-borne zoonotic disease that primarily affects domestic ruminants. Abortion storms and…”
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A natural gene drive system influences bovine tuberculosis susceptibility in African buffalo: Possible implications for disease management by van Hooft, Pim, Getz, Wayne M, Greyling, Barend J, Bastos, Armanda D S

“…Bovine tuberculosis (BTB) is endemic to the African buffalo (Syncerus caffer) of Hluhluwe-iMfolozi Park (HiP) and Kruger National Park, South Africa. In HiP,…”
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Genetic responsiveness of African buffalo to environmental stressors: A role for epigenetics in balancing autosomal and sex chromosome interactions? by van Hooft, Pim, Dougherty, Eric R, Getz, Wayne M, Greyling, Barend J, Zwaan, Bas J, Bastos, Armanda D S

“…In the African buffalo (Syncerus caffer) population of the Kruger National Park (South Africa) a primary sex-ratio distorter and a primary sex-ratio suppressor…”
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Review of the Pig-Adapted African Swine Fever Viruses in and Outside Africa by Penrith, Mary-Louise, Van Heerden, Juanita, Heath, Livio, Abworo, Edward Okoth, Bastos, Armanda D. S

“…The region in eastern, central and southern Africa (ECSA) where African swine fever (ASF) originated in a sylvatic cycle is home to all the p72 genotypes of…”
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Retrospective Multi-Locus Sequence Analysis of African Swine Fever Viruses by "PACT" Confirms Co-Circulation of Multiple Outbreak Strains in Uganda by Kabuuka, Tonny, Mulindwa, Henry, Bastos, Armanda D S, van Heerden, Juanita, Heath, Livio, Fasina, Folorunso O

“…African swine fever (ASF) is a haemorrhagic fever of swine that severely constrains pig production, globally. In Uganda, at least 388 outbreaks of ASF were…”
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Molecular prevalence and risk factors associated with tick-borne pathogens in cattle in western Kenya by Chiuya, Tatenda, Villinger, Jandouwe, Masiga, Daniel K, Ondifu, Dickens O, Murungi, Maurice K, Wambua, Lillian, Bastos, Armanda D. S, Fèvre, Eric M, Falzon, Laura C

“…Background Tick-borne pathogens (TBPs) are of global importance, especially in sub-Saharan Africa where they represent a major constraint to livestock…”
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Genome Sequencing of Historical Encephalomyocarditis Viruses from South Africa Links the Historical 1993/4 Savanna Elephant ( Loxodonta africana ) Outbreak to Cryptic Mastomys Rodents by van Meer, Vanessa, Pawęska, Janusz T, Swanepoel, Robert, Grobbelaar, Antoinette, Bastos, Armanda D

“…From 1993 to 1994, 64 free-ranging elephants ( ) succumbed to encephalomyocarditis in the Kruger National Park, South Africa, of which 83% were adult bulls…”
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Jingmen Tick Virus in Ticks from Kenya by Ogola, Edwin O, Kopp, Anne, Bastos, Armanda D S, Slothouwer, Inga, Marklewitz, Marco, Omoga, Dorcus, Rotich, Gilbert, Getugi, Caroline, Sang, Rosemary, Torto, Baldwyn, Junglen, Sandra, Tchouassi, David P

“…Jingmen tick virus (JMTV) is an arbovirus with a multisegmented genome related to those of unsegmented flaviviruses. The virus first described in ticks…”
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Phylogenomic Comparison of Seven African Swine Fever Genotype II Outbreak Viruses (1998–2019) Reveals the Likely African Origin of Georgia 2007/1 by Mthombeni, Rivalani F, Bastos, Armanda D, van Schalkwyk, Antoinette, van Emmenes, Juanita, Heath, Livio

“…Since the initial report of African swine fever (ASF) in Kenya in 1921, the disease has predominantly been confined to Africa. However, in 2007, an ASF…”
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Population genetics of two key mosquito vectors of Rift Valley Fever virus reveals new insights into the changing disease outbreak patterns in Kenya by Tchouassi, David P, Bastos, Armanda D S, Sole, Catherine L, Diallo, Mawlouth, Lutomiah, Joel, Mutisya, James, Mulwa, Francis, Borgemeister, Christian, Sang, Rosemary, Torto, Baldwyn

“…Rift Valley fever (RVF) outbreaks in Kenya have increased in frequency and range to include northeastern Kenya where viruses are increasingly being isolated…”
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Trophic interrelationships between the exotic Nile tilapia, Oreochromis niloticus and indigenous tilapiine cichlids in a subtropical African river system (Limpopo River, South Africa) by Zengeya, Tsungai Alfred, Booth, Anthony J., Bastos, Armanda D. S., Chimimba, Christian T.

“…The stable isotope ratio and seasonal changes in diet of two indigenous ( Oreochromis mossambicus , Tilapia rendalli ) and one exotic ( Oreochromis niloticus )…”
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Analyses of Mosquito Species Composition, Blood-Feeding Habits and Infection with Insect-Specific Flaviviruses in Two Arid, Pastoralist-Dominated Counties in Kenya by Ogola, Edwin O, Bastos, Armanda D S, Rotich, Gilbert, Kopp, Anne, Slothouwer, Inga, Omoga, Dorcus C A, Sang, Rosemary, Torto, Baldwyn, Junglen, Sandra, Tchouassi, David P

“…Insect-specific flaviviruses (ISFs), although not known to be pathogenic to humans and animals, can modulate the transmission of arboviruses by mosquitoes. In…”
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Genetic monitoring detects an overlooked cryptic species and reveals the diversity and distribution of three invasive Rattus congeners in South Africa by Bastos, Armanda D, Nair, Deenadayalan, Taylor, Peter J, Brettschneider, Helene, Kirsten, Frikkie, Mostert, Elmarie, von Maltitz, Emil, Lamb, Jennifer M, van Hooft, Pim, Belmain, Steven R, Contrafatto, Giancarlo, Downs, Sarah, Chimimba, Christian T

“…South Africa's long and extensive trade activity has ensured ample opportunities for exotic species introduction. Whereas the rich biodiversity of endemic…”
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Common host-derived chemicals increase catches of disease-transmitting mosquitoes and can improve early warning systems for Rift Valley fever virus by Tchouassi, David P, Sang, Rosemary, Sole, Catherine L, Bastos, Armanda D S, Teal, Peter E A, Borgemeister, Christian, Torto, Baldwyn

“…Rift Valley fever (RVF), a mosquito-borne zoonosis, is a major public health and veterinary problem in sub-Saharan Africa. Surveillance to monitor mosquito…”
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