Following the widespread use of PCVs, an increasing trend in the frequency of NP carriage and pneumococcal infections due to pneumococci belonging to non-VTs has been observed [ 5 , 6 ].
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Nasopharyngeal Carriage of <i>Streptococcus pneumoniae</i> in Tunisian Healthy under-Five Children during a Three-Year Survey Period (2020 to 2022).
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