References for:
Public Health Dispatch: Poliomyelitis - Madagascar, 2002
[MMWR 51(28):622, 2002. © 2002 Centers for Disease Control and Prevention (CDC)]
CDC. Acute flaccid paralysis associated with circulating vaccine-derived poliovirus---Philippines, 2001. MMWR 2001;50:874
.
CDC. Outbreak of poliomyelitis---Dominican Republic and Haiti, 2000--2001. MMWR 2001;50:147
.