Table 3

Vaccine-type pneumococcal carriage by quartile of village 13-valent pneumococcal conjugate vaccine (PCV13) coverage, Lao PDR, December 2013–June 2018*

Vaccine-type pneumococcal carriage
Levels of PCV13 coverageAll children n/N (%)Vaccinated children n/N (%)Undervaccinated children n/N (%)
<25%101/500 (20.2)36/243 (14.8)65/257 (25.3)
25%–50%23/212 (10.9)13/139 (9.3)10/73 (13.7)
50%–75%12/85 (14.1)8/65 (12.3)4/20 (20.0)
>75%3/48 (6.3)3/37 (8.1)0/11 (0.0)
  • *Includes all participants recruited up to June 2017 and the additional 77 participants enrolled up to June 2018 that resided in villages where vaccination data had already been collected.

  • Lao PDR, Lao People’s Democratic Republic; PCV, pneumococcal conjugate vaccine.