Overview of pneumococcal serotypes and genotypes causing diseases in patients with chronic obstructive pulmonary disease in a Spanish hospital between 2013 and 2016.

Infect Drug Resist · 2018 · PMC6128270 · PMID 30214260

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an increasing trendno p-value reported

Although this showed an increasing trend in the early PCV13 period (2009–2012), its frequency is currently very low.

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