Cost-effectiveness of pneumococcal vaccines among adults over 50 years old in low- and middle-income countries: a systematic review.
Yixue ShaoCharles StoeckerPublished in: Expert review of vaccines (2021)
While all studies recommended either PPSV23 or PCV13 for older adults in LMICs, substantial questions about potential bias in studies and whether conclusions hold after including the impact of indirect protection.