Njenga John

Prevalence and Patterns of High-Risk Human Papillomavirus Genotypes, Cervical Lesions, and HPV Vaccination Status among Women Attending Kinondo-Kwetu Hospital, Kwale County, Kenya

Kinyua Felix, Mutuku Onesmus Muia & Njenga John · International Research Journal of Oncology · 2026

Background: Persistent infection with high-risk human papillomavirus (hr-HPV) is associated with cervical epithelial abnormalities and may progress to invasive cervical cancer when not detected and managed appropriately. This study determined the prevalence and patterns of hr-HPV...

Open access Research Article 10.9734/irjo/2026/v9i2219

Prevalence and Patterns of Breast Lesions among Women Presenting with Palpable Breast Lumps at Kiambu Level 5 Hospital in Kiambu County, Kenya

Gichana Cornelius Musemi, Mutuku Onesmus Muia, Njenga John & Maundu Molly · International Research Journal of Oncology · 2026

Background: Breast cancer remains a major public health challenge in low- and middle-income countries, disproportionately affecting women. It is a multifactorial disease arising from complex interactions between genetic, molecular, hormonal, environmental, and lifestyle factors....

Open access Research Article 10.9734/irjo/2026/v9i1194