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Basal activation of ERK1/2 blunts the antimicrobial activity of neutrophils from old hosts against antibody-opsonized Streptococcus pneumoniae

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Age-related decline in neutrophil function reduces vaccine protection against Streptococcus pneumoniae. In vaccinated hosts, neutrophil activation via complement and Fcγ receptors mediates bacterial uptake and killing. Mechanisms behind age-related changes in... ...