Yaser Al-Worafi

Prevalence of Helicobacter pylori Infection and its Association with Psychological Stress and Associated Factors among Medical Students in Dhamar, Yemen

Eftekhar Al-Ghasani, Khaled Saleh, Abdulrahman Y. Al-Haifi, Abdalsalam M. Al-Mekdad, Yaser Al-Worafi & Ali Salman Al-Shami · Asian Journal of Medicine and Health · 2026

Background: Helicobacter pylori infection is an important cause of chronic gastritis, peptic ulcer disease, gastric adenocarcinoma, and mucosa-associated lymphoid tissue lymphoma. Evidence on active infection and its relationship with psychological stress among Yemeni medical stu...

Open access Research Article 10.9734/ajmah/2026/v24i101454

Bacterial Etiology and Antimicrobial Resistance Patterns of Urinary Tract Infections in Sana’a, Yemen

Ali A. Al-Mehdar, Zaid A. Thawaba, Huda Z. Al-Shami, Abdulrahman Y. Al-Haifi, Yaser Al-Worafi & Ali Salman Al-Shami · Journal of Pharmaceutical Research International · 2026

Background: Urinary tract infections (UTIs) are among the most common bacterial infections worldwide, significantly impacting morbidity and contributing to antibiotic misuse. Objective: This study aimed to investigate the bacterial etiologies and antimicrobial resistance patterns...

Open access Research Article 10.9734/jpri/2026/v38i27811