Effect of target age of supplemental immunization campaigns on poliomyelitis occurrence in China.

Oral polio vaccine immunization coverage with regard to polio eradication in Zambia: 2000-2009: A review

During the 41 st World Health Assem3ly (WHA) meeting, it was resolved that World Health Organization (WHO) takes initiative for global eradication of poliomyelitis exclusively by Oral Polio Vaccination (OPV) by year 2000 with all member countries. WHO Expanded Program on Immunization (EPI) schedule requires all children below 1 year of age to get 4 doses of OPV. A regular review of OPV3 coverag...

Poliomyelitis eradication in China: 1953-2012.

BACKGROUND Poliomyelitis has historically been endemic in China and has been considered an important cause of disability and death. METHODS We reviewed strategies and measures of poliomyelitis control and eradication from 1953 to 2012. Data from notifiable disease and routine immunization reporting systems and acute flaccid paralysis (AFP) surveillance were analyzed. RESULTS About 20 000 po...

Rehabilitation of the expanded programme on immunization in Sudan following a poliomyelitis outbreak.

In 1993 a large outbreak of paralytic poliomyelitis occurred in Sudan as a result of an accumulation of large numbers of susceptible children that was accelerated by faltering immunization services. The extent of the outbreak led to the rapid rehabilitation of Sudan's Expanded Programme on Immunization (EPI); the government began financing vaccine purchase, operational aspects of EPI were decen...

The expanded programme in immunization against measles and poliomyelitis, Iran's Experience.

Outbreaks of paralytic poliomyelitis and polio surveillance in Shandong province of China.

Widespread outbreaks of paralytic poliomyelitis occurred in Shandong province, China, starting from 1988. In 1989, 484 cases were recorded, which was the peak during the past 4 years. Although emergency immunization with trivalent oral poliovirus vaccine (OPV) was carried out in selected counties in 1989 and 1990, control of the outbreak was not satisfactory. OPV mass immunization campaigns wer...