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Browsing Medical Virology by Type "Thesis"
Now showing items 1-15 of 15
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(University of Pretoria, 2019)East Africa has been experiencing an increase in the occurrence of emerging infectious diseases such as yellow fever (YF) and dengue (DEN). Increasing frequency of YF activity in East Africa constitutes a re-emergence that ...
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(University of Pretoria, 2023)Viruses in the order Bunyavirales are diverse and include zoonotic arthropod- and rodent-borne viruses that cause diseases ranging from mild febrile illnesses to haemorrhagic and/or encephalitis fevers and even death in ...
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(University of Pretoria, 2018)South Africa (SA) has the highest number of HIV infections worldwide. Acute HIV infection (AHI) refers to the time of virus acquisition until the appearance of HIV-specific antibodies, usually at 3 – 12 weeks. Early (primary) ...
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(University of Pretoria, 2019)Acute gastroenteritis (AGE) is a global public health problem causing considerable morbidity and mortality among infants and children, especially in low-income settings. Viruses including group A rotaviruses (RVA), ...
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(University of Pretoria, 2018)More than 280 000 HIV-exposed infants are born each year in South Africa (SA), all of whom require polymerase chain reaction (PCR) testing during early infancy. Failure to diagnose HIV early and initiate combination ...
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(University of Pretoria, 2019-12)Hepatitis A is a vaccine preventable liver inflammation caused by the hepatitis A virus (HAV). Hepatitis A virus is the most common cause of acute viral hepatitis worldwide that is transmitted via the faecal-oral route ...
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(University of Pretoria, 2004)Large epidemics of poliomyelitis spread across the world in the first half of the 20th century. However, polio incidence fell rapidly across the world following the introduction of the oral poliovirus vaccine (OPV). Since ...
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(University of Pretoria, 2020)Emerging and re-emerging diseases have increased worldwide in incidence in the past decades. Of these emerging diseases 60.3% are caused by zoonotic pathogens of which 22.8% are arboviruses or arthropod borne viruses. ...
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(University of Pretoria, 2016)Pneumonia is a major cause of morbidity and mortality in children worldwide and causes 18% of all deaths in children less than 5 years of age. In order to best understand the full burden of acute respiratory infection in ...
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(University of Pretoria, 2014)Every year thousands of cases of neurological disease go undiagnosed largely due to the vast number of potential causes, especially neglected are those thought to be of viral origin. The purpose of this study was to ...
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(University of Pretoria, 2012-07-16)Polioviruses have been around for a long time in man's history. Before the development of killed and live virus vaccines in the 1960's, poliomyelitis was a serious problem in public health. Since then paralytic poliomyelitis ...
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(University of Pretoria, 2013)Sapoviruses (SaVs) and noroviruses (NoVs) are genera of the Caliciviridae (CV) family and cause gastroenteritis in humans worldwide. They are small, single-stranded RNA viruses and each genus is further divided into 5 ...
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(University of Pretoria, 2013-10)Most arbovirus isolations in East Africa have been recorded from mosquitoes but less information is available about tick-borne viruses including Crimean-Congo hemorrhagic fever virus (CCHFV), which is prevalent in Africa ...
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(University of Pretoria, 2020)Mosquito-borne arboviruses are of considerable public health importance as they cause some of the most important emerging and re-emerging infectious diseases affecting humans and animals in many parts of the world including ...
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(University of Pretoria, 2008-04-16)Poor sanitation, unhygienic practices and close living associations between people and animals in rural communities increase the risk of zoonoses and add to faecal contamination of stored drinking water. Point-of-use ...
Now showing items 1-15 of 15