Pediatric invasive pneumococcal disease in Taiwan following a national catch-up program with the 13-valent pneumococcal conjugate vaccine.

Background:Seven-valent pneumococcal conjugate vaccine (PCV) has been available in Taiwan since late 2005. A national catch-up program was launched in Taiwan in 2013, providing 1 dose of 13-valent PCV to children aged 2–5 years. Here, we report the epidemiology of invasive pneumococcal disease (IPD)