Matran, Yasser M, Ahmed M Al-Haddad, Avleen Kour, Hussein Al-Shehabi, Sarika Sharma, Ashish Suttee, and Sandeep Sharma. “Streptococcus Pneumoniae Among the Children of Aden, Yemen: A Cross-Sectional Report of Post-Pneumococcal Conjugate Vaccine”. The Journal of Infection in Developing Countries 18, no. 04 (April 30, 2024): 579–586. Accessed June 30, 2024. https://jidc.org/index.php/journal/article/view/38728636.