Browsing by Author "Osman, Saida"

Browsing by Author "Osman, Saida"

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  • The Changing Trend of HIV Type 1 Subtypes in Nairobi 
    Kiptoo, Michael K.; Lihana, Raphael W.; Khamadi, Samoel A.; Lwembe, Raphael M.; Ochieng, Washingtone; Kinyua, Joyceline G.; Muriuki, Joseph K.; Lagat, Nancy; Osman, Saida; Mwangi, Joseph M.; Okoth, Fredrick A.; Elijah M. Songok (Mary Ann Liebert, 2009)
    Monitoring the distribution of HIV-1 subtypes and recombinants among infected individuals has become a priority in HIV therapy. A laboratory analysis of samples collected from HIV-positive patients attending an STI clinic ...
  • HIV Type 1 gag genetic diversity among antenatal clinic attendees in North Rift Valley, Kenya 
    Ng'ang'a, Zipporah W.; Nyagaka, Benuel; Kiptoo, Michael K.; Lihana, Raphael W.; Khamadi, Samoel A.; Makokha, Ernest P.; Kinyua, Joyceline G.; Mwangi, Joseph; Osman, Saida; Lagat, Nancy J.; Muriuki, Joseph; Okoth, Vincent; Gicheru, Michael; Songok, Elijah M. (Mary Ann Liebert, Inc., 2012)
    HIV genetic recombination and high mutation rate increase diversity allowing it to escape from host immune response or antiretroviral drugs. This diversity has enabled specific viral subtypes to be predominant in specific ...
  • HIV Type 1 Subtypes among STI Patients in Nairobi: A Genotypic Study Based on Partial pol Gene Sequencing 
    Kiptoo, Michael K.; Lihana, Raphael W.; Khamadi, Samoel A.; Kinyua, Joyceline G.; Lagat, Nancy; Magoma, Gabriel N.; Mwau, Matilu M.; Makokha, Ernest P.; Onyango, Vincent; Osman, Saida; Okoth, Fredrick A.; Songok., Elijah M. (Mary Ann Liebert, 2006-12)
    Circulating strains of human immunodeficiency virus (HIV) exhibit an extraordinary degree of genetic diversity and have been classified on the basis of relationships into distinct lineages called groups, types, subtypes, ...
  • HIV Type 1 Subtypes in Circulation in Northern Kenya 
    Kiptoo, Michael K.; Khamadi, Samoel A.; Ochieng, Washington; Lihana, Raphael W.; Kinyua, Joyceline; Muriuki, Joseph; Mwangi, Joseph; Lwembe, Raphael; Osman, Saida; Lagat, Nancy; Pelle, Roger; Muigai, Anne; Carter, Jane Y.; Oishi, Isao; Ichimura, Hiroshi; Mwaniki, D. L.; Okoth, Fredrick A.; Mpoke, Solomon; Songok, Elijah M. (Mary Ann Liebert, 2005-10-11)
    The genetic subtypes of HIV-1 circulating in northern Kenya have not been characterized. Here we report the partial sequencing and analysis of samples collected in the years 2003 and 2004 from 72 HIV-1-positive patients ...
  • Indirect immunofluorescence assay, particle agglutination and ELISA for the detection of HIV type 1 
    Ng'ang'a, Zipporah W.; Kiptoo, Michael K.; Mpoke, Solomon S.; Osman, Saida; Mwangi, Ann; Songok, Elijah M. (IJIB, 2009)
    Screening of blood and blood products for human immunodeficiency virus (HIV) is routinely performed using the enzyme-linked immunosorbent assay (ELISA), and the results confirmed by western blot (WB). In an effort to ...
  • Molecular genetic diversity of hepatitis B virus in Kenya 
    Ng'ang'a, Zipporah W.; Mwangi, Joseph; Songok, Elijah; Kinyua, Joyceline; Lagat, Nancy; Muriuki, Joseph; Lihana, Raphael; Khamadi, Samoel; Osman, Saida; Lwembe, Raphael; Kiptoo, Michael K.; Mwau, Matilu; Chirchir, Ruth; Mpoke, Solomon; Nyamongo, Jack; Okoth, Fred; Yamada, Rika; Kageyama, Seiji; Ichimura, Hiroshi (S. Karger AG, Basel, 2008)
    Eight genotypes of hepatitis B virus (A-H) and subgenotypes have been recognized worldwide. However, there is limited information on prevalent genotypes in many countries in Africa. This study was undertaken to determine ...
  • Predisposing factors for HIV infection among injecting drug users in Malindi Sub-County, Kenya 
    Ng’ong’a, Gabriel O.; Hunja, Carol W.; Osman, Saida; Lwembe, Raphael M. (2016-01)
    Injecting drug use (IDU) offers a100% chance to transmit blood borne infections. There exist scanty reports on factors predisposing IDUs to HIV infection and spread in Malindi Sub-county. IDUs are a potential bridging ...
  • Prevalence, awareness and risk factors associated with Hepatitis B infection among pregnant women attending the antenatal clinic at Mbagathi District Hospital in Nairobi, Kenya 
    Ngaira, Jacqueline A.; Kimotho, James; Mirigi, Isaac; Osman, Saida; Ng'ang'a, Zipporah W.; Lwembe, Raphael; Ochwoto, Missiani (African Field Epidemiology Network, 2016-08-17)
    Introduction Hepatitis B Viral Infection (HBV) remains one of the leading cause of morbidity and mortality globally accounting for 38-53% of chronic liver diseases and about 686,000 deaths annually. The prevalence of HBV ...

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