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Browsing Theses and Dissertations (Medical Virology) by Issue Date
Now showing items 1-20 of 44
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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, 2004)Please read the abstract in the 00front part (pp12-17) of this document
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(University of Pretoria, 2005-08-19)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2005-10-28)Escherichia coli 0157:H7 is classified as a member of the enterohaemorrhagic E. coli (EHEC) family. These organisms are responsible for a variety of clinical manifestations ranging from non-bloody diarrhoea to gross bloody ...
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(University of Pretoria, 2005-10-28)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2005-10-28)Heterotrophic plate counts (HPCs) are commonly used to assess the general microbiological quality of drinking water. Drinking water quality specifications world-wide recommend HPC limits from 100 to 500 cfu.m1-1. However, ...
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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 ...
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(University of Pretoria, 2008-09-23)Hepatitis A virus (HAV) is a non-enveloped, positively charged single stranded RNA hepatotropic agent from the family Picornaviridae, and the sole member of the genus Hepatovirus. There is only one HAV serotype but there ...
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The molecular characterisation of human adenoviruses from human specimens and environmental samples (University of Pretoria, 2010-10-05)Human adenoviruses (HAdVs) are non-enveloped DNA viruses, currently comprising 52 serotypes which are divided into seven species, designated A to G. The HAdVs are associated with a number of diseases affecting respiratory, ...
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(University of Pretoria, 2010-10-05)Acute lower respiratory tract infection (ALRI) is a major cause of paediatric morbidity and mortality, annually accounting for approximately 2 million childhood deaths worldwide of which up to 90% resides in the developing ...
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(University of Pretoria, 2011)In South Africa (SA), the arboviruses West Nile virus (WNV), Wesselsbron virus (WSLV), Sindbis virus (SINV) and Middelburg virus (MIDV) are considered the most important flavi- and alphaviruses. Clinical presentation and ...
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(University of Pretoria, 2011)The transmission of human pathogens by faecally contaminated fruit and vegetables is well established, but the burden of disease caused by foodborne pathogens is unknown. Fresh produce can be contaminated through the use ...
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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, 2012-08-08)Respiratory Syncytial Virus (RSV) is a major cause of bronchiolitis and pneumonia in infants, immunocompromised and the elderly in both developed and developing countries. Re-infections are common and G protein variability ...
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(University of Pretoria, 2013)Worldwide it is estimated that 1.1 billion people drink unsafe water and 1.7 million deaths are caused by drinking of unsafe water and poor sanitation. Enteric viruses are transmitted by the faecal-oral route and their ...
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Efficiency of glass wool adsorption-elution technique for the recovery of enteric viruses from water (University of Pretoria, 2013)One of the major obstacles to human health relates to unsafe water and poor sanitation. Faecal contamination of source and drinking water introduces enteric pathogens which result in disease outbreaks. Therefore monitoring ...
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(University of Pretoria, 2013)Hepatitis A virus (HAV) is the most common cause of acute viral hepatitis worldwide. Hepatitis A virus is classified in the genus Hepatovirus of the family Picornaviridae. The virion has a 7.5 kb positive-sense single-stranded ...
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(University of Pretoria, 2013)The transmission of enteric viruses by food, food products and water remains a wellrecognised, largely underestimated widespread public health problem. Outbreaks of gastroenteritis and hepatitis A due to the consumption ...
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(University of Pretoria, 2013)Hepatitis A virus (HAV) is the most common cause of acute viral hepatitis worldwide. Hepatitis A virus is classified in the genus Hepatovirus of the family Picornaviridae. The virion has a 7.5 kb positive-sense single-stranded ...
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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 ...
Now showing items 1-20 of 44