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Browsing by Author "Ng'ang'a, Zipporah W."

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Acute Plasmodium knowlesi Infection in Olive Baboons (Papio anubis) Is Accompanied by High-Level of Gamma Interferon

Ng'ang'a, Zipporah W.; Teresia, Nyawira; Gicheru, Michael; Kagasi, Esther; Ozwara, Hastings (Canadian Center of Science and Education, 2012-04)

Malaria is a major and growing threat to economic development and public health in developing countries. There are about 2.7 million malaria deaths annually. Plasmodium knowlesi, the fifth human malaria parasite, is an ...
Alterations on peripheral B cell subsets following an acute uncomplicated clinical malaria infection in children

Ng'ang'a, Zipporah W.; Asito, Amolo S.; Moormann, Ann M.; Kiprotich, Chelimo; Ploutz-Snyder, Robert; Rochford, Rosemary (BioMed Central Ltd., 2008)

Background: The effects of Plasmodium falciparum on B-cell homeostasis have not been well characterized. This study investigated whether an episode of acute malaria in young children results in changes in the peripheral ...
Analysis of Major Genome Loci Underlying Artemisinin Resistance and pfmdr1 Copy Number in pre- and post-ACTs in Western Kenya

Ng'ang'a, Zipporah W.; Ngalah, Bidii S.; Ingasia, Luiser A.; Cheruiyot, Agnes C.; Chebon, Lorna J.; Juma, Dennis W.; Muiruri, Peninah; Onyango, Irene; Ogony, Jack; Yeda, Redemptah A.; Cheruiyot, Jelagat; Mbuba, Emmanuel; Mwangoka, Grace; Achieng, Angela O.; Andagalu, Ben; Akala, Hoseah M.; Kamau, Edwin; Kamau, Edwin (Nature Publishing Group, 2015-02-08)

Genetic analysis of molecular markers is critical in tracking the emergence and/or spread of artemisinin resistant parasites. Clinical isolates collected in western Kenya pre- and post- introduction of artemisinin combination ...
Antiretroviral drugs toxicity and immune status of HIV patients under comprehensive care in Embu, Kenya

Ng'ang'a, Zipporah W.; Gicheru, Michael M.; Namu, Samuel J. (2013)

The objective of this study was to determine toxicity and immune status of HIV patients under ARVs (Zidovudine, Stavudine and Nevirapine) which comprises first line ARV combination regime currently being used in Kenya. ...
Assessing the potential effects of selected Kenyan medicinal plants on longevity of Phlebotomus duboscqi (Diptera: Psychodidae)

Ng'ang'a, Zipporah W.; Mong'are, Samuel; Maranga, Rosebella; Osiemo, Zipporah; Ngure, Peter; Ngumbi, Philip; Mutai, Charles; Karanja, Robert; Ireri, Laban; Tonui, Willy (2013)

Phlebotomus duboscqi (Diptera: Psychodidae) has been incriminated as the vector of Leishmania major, the causative agent of zoonotic cutaneous leishmaniasis (ZCL) in various parts of the world. This study sought to describe ...
An assessment of priority setting process and its implication on availability of emergency obstetric care services in Malindi District, Kenya.

Nyandieka, Lilian N.; Kombe, Yeri; Ng'ang'a, Zipporah W.; Byskov, Jens; Njeru, Mercy K. (African Field Epidemiology Network,, 2015-10-12)

Introduction In spite of the critical role of Emergency Obstetric Care in treating complications arising from pregnancy and childbirth, very few facilities are equipped in Kenya to offer this service. In Malindi, availability ...
Association between CD4 + T-Lymphocyte counts and fecal excretion of schistosoma mansoni eggs in patients coinfected with S. mansoni and Human Immunodeficiency Virus before and after Initiation of antiretroviral therapy

Ng'ang'a, Zipporah W.; Muok, Erick M. O.; Simiyu, Elses W.; Ochola, Elizabeth A.; Secor, W. Evan; Karanja, Diana M. S.; Mwinzi, Pauline N. M. (The American Society of Tropical Medicine and Hygiene, 2013)

Previously, we have shown that persons with human immunodeficiency virus 1 (HIV-1) infection and reduced CD4+ T-lymphocyte counts excrete significantly fewer Schistosoma mansoni eggs than HIV-1–negative persons with ...
Bacteriological contamination of street foods among street food vendors in Githurai and Gikomba markets- Nairobi county, Kenya

Ng'ang'a, Zipporah W.; Kariuki, Emmah N.; Wanzala, Peter (2017-01)

The street food trade is a growing sector in many developing countries today and Kenya is one of those countries. The increase in the street food trade especially in market places has been brought about by the larger ...
Banana tissue culture and nutrient enhancement for food security and income generation among people living with AIDS in the Lake Victoria basin

Ng'ang'a, Zipporah W.; Manyama, Appolinary A.; Wamono, Esther; Muyonga, John H.; Wamue - Ngare, Grace; Mwangi, Mary N. (2010)

This project undertook a survey in Rachuonyo (Kenya), Bukoba (Tanzania) and Rakai (Uganda) districts to assess the contribution of banana to the household food security and nutrition of PLWHA and assessed the potential ...
Biological sciences & HIV and AIDS Integrated Course Module (Botswana)

Ng'ang'a, Zipporah W.; Ochanda, Alice; Imbuga, Mabel; Lang'at-Thoruwa, Caroline; Monda, Ethel; Xia, Xiaohua (2015-04-22)
Biological sciences & HIV and AIDS Integration Module (Kenya)

Ng'ang'a, Zipporah W.; Ochanda, Alice; Imbuga, Mabel; Lang'at-Thoruwa, Caroline; Ngumi, Victoria; Monda, Ethel; Mwangi, Mary; Xia, Xiaohua (2015-04-22)
Breast Milk as a Potential Source of Epstein-Barr Virus Transmission Among Infants Living in a Malaria-Endemic Region of Kenya

Daud, Ibrahim I.; Coleman, Carrie B.; Smith, Nicholas A.; Ogolla, Sidney; Simbiri, Kenneth; Bukusi, Elizabeth A.; Ng'ang'a, Zipporah W.; Sumba, Peter O.; Vulule, John; Ploutz-Snyder, Robert; Dent, Arlene E.; Rochford, Rosemary (Oxford University Press, 2015-05-17)

Background.We previously reported that infants in Kenya were infected with Epstein-Barr virus (EBV) at <6 months of age, suggesting that mothers were the likely source of transmissible virus to the infant. In this study, ...
Characterization of HBV among HBV/HIV-1 co-infected Injecting Drug Users from Mombasa, Kenya.

Ng'ang'a, Zipporah W.; Kibaya, R. M.; Lihana, R. W.; Lihana, R. W.; Kiptoo, Michael K.; Songok, E. M.; Osman, S.; Ishizaki, A.; Xiuqiong, B. I.; Okoth, F. A.; Ichimura, H.; Lwembe, R. M. (Bentham Science Publishers, 2015)

Background: Hepatitis B (HBV) and Human Immunodeficiency virus (HIV) are both bloodborne viruses. Markers of either active or past HBV infection are present in many HIV infected patients. Worldwide, HBV prevalence varies ...
Chemistry & HIV and AIDS Integrated course module (Ghana)

Ng'ang'a, Zipporah W.; Imbuga, Mabel; Lang'at-Thoruwa, Caroline; Ochanda, Alice; Andam, Aba B.; Kwofie, Theophilus B.; Meyer, Debra (2015-04-22)
Chemistry & HIV and AIDS Integration Module (Botswana)

Ng'ang'a, Zipporah W.; Ochanda, Alice; Imbuga, Mabel; Lang'at-Thoruwa, Carollne; Monda, Ethel; Xia, Xiaohua (2015-04-22)
Clinical and virological response to antiretroviral drugs among HIV patients on first-line treatment in Dar-es-Salaam, Tanzania.

Mosha, Fausta; Ledwaba, Johanna; Ndugulile, Faustine; Ng'ang'a, Zipporah W.; Nsubuga, Peter; Morris, Lynn; Kasubi, Mabula; Swai, Andrew; Vercauteren, Jurgen; Vandamme, Anne-Mieke (2014-07)

Introduction: In Tanzania, the follow-up on antiretroviral therapy (ART) response is based on clinical outcomes. We investigated virological response and ARV resistance mutations in relation to clinical response in ARV-treated ...
Comparative analysis of the effectiveness of sand fly traps with different baits

Ng'ang'a, Zipporah W.; Mong’are, Samuel; Ngumbi, Philip; Ingonga, Johnstone; Ngure, Peter (2015)

Sand flies are small haematophagous insects that transmit Leishmania parasites. Infection with Leishmania parasites results in diseases known as leishmaniases which can be grouped into three main forms: cutaneous, ...
Concomitant infections of Plasmodium falciparum and Wuchereria bancrofti on the Kenyan coast

Ng'ang'a, Zipporah W.; Muturi, Ephantus J.; Mbogo, Charles M.; Mwangangi, Joseph M.; Kabiru, Ephantus W.; Mwandawiro, Charles; Beier, John C. (BioMed Central Ltd, 2006)

Background: Anopheles gambiae s.l. and An. funestus are important vectors of malaria and bancroftian filariasis, which occur as co-endemic infections along the Kenyan Coast. However, little is known about the occurrence ...
Correlates of contraceptive use among HIV discordant couples in Kenya

Ng'ang'a, Zipporah W.; Ngure, Kenneth; Kimani, Violet; Khamadi, Samoel; Onchiri, Frankline; Irungu, Elizabeth; Heffron, Renee; Were, Edwin; Mugo, Nelly (2012)

Despite risks of HIV transmission to infants born of the HIV positive women, contraceptive use is uncommon among women in HIV discordant partnerships. The aim of this study was to determine the factors associated with ...
Current approaches to prevention of venous thromboembolism following major orthopaedic surgery: A review of recommendations by international guidelines

Ng'ang'a, Zipporah W.; Imbaya, C. L.; Gakuu, L. N.; Kombe, Y. (2014-03)

Objectives: Venous Thromboembolism (VTE) is an important cause of morbidity and mortality amongst patients who undergo major orthopaedic surgical procedures. The perioperative use of thromboprophylactic agents with or ...

Browsing by Author "Ng'ang'a, Zipporah W."

Browsing by Author "Ng'ang'a, Zipporah W."

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