Taiwan switches to single-dose pneumococcal vaccineNew 20- and 21-valent vaccines to replace two-dose regimen Aug. 5, 2026 17:27# CDC Director-General Lo I-chun# single dose# pneumococcal vaccineNew 20- and 21-valent vaccines to replace two-dose regimen # CDC Director-General Lo I-chun# single dose# pneumococcal vaccine
