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PURPOSE OF REVIEW: A resurgence of pneumococcal pneumonia has been observed after a marked reduction in the early COVID-19 pandemic. Penicillin-nonsusceptible Streptococcus pneumoniae is regarded as a WHO priority pathogen. RECENT FINDINGS: Overall antibiotic resistance rates in S. pneumoniae have increased due to increase in antibiotic consumption and changes in serotype distribution, partly driven by the rollout of pneumococcal vaccination. Isolates from pneumococcal pneumonia have higher resistance rates than those from invasive pneumococcal disease. New antibiotics have been approved for treatment of community-acquired pneumonia, and are active against multidrug-resistant S. pneumoniae . Pneumococcal vaccines in both children and adults are effective in reducing the burden of pneumococcal pneumonia in adults, though some circulating vaccine and nonvaccine serotypes are driving antibiotic resistance. SUMMARY: Continual surveillance of serotype and resistance patterns of S. pneumoniae causing pneumonia in adult populations is important after the introduction of new pneumococcal vaccines. Novel pneumococcal vaccine platforms are needed to overcome the threats of serotype replacement and antibiotic resistance.
Lui et al. (Fri,) studied this question.