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Analysis reveals delays in pneumonia and other infections in children, suggesting shifts in pathogen dynamics post COVID-19.
After the lifting of the nonpharmaceutical interventions introduced during the COVID-19 pandemic. Enterovirus reappeared 16 months after COVID-19 onset; bronchiolitis, 33 months; group A Streptococcus infections, 36 months; pneumonia, 45 months and pertussis, 51 months. These differences across pathogens shed light on differences in herd immunity durability and pathogen-specific vulnerability.
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Cohen et al. (2025) studied this question.
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