P oliomyelitis is still prevalent world-wide and continues to present challenges in developed
countries where it has been well controlled. Unexpected outbreaks have occurred in both …

In 1988 the World Health Organization (WHO) declared its commitment to the goal of global
eradication of poliomyelitis by the year 2000, generating new enthusiasm in pursuing this …

This publication is one of a series of practical field guides produced by the Pan American
Health Organization with best practice guidance for immunisation programmes in the region …

During the period 1950-1954, surveillance for paralytic poliomyelitis in Canada revealed an
average of 1,914 cases (13.2 cases per 100,000) annually. The licensing and widespread …

Virological surveillance of poliomyelitis was used for predicting an epidemic early in 1972. A
nationwide immunization campaign was undertaken, lay volunteers helping health staff to …

The initiative to eradicate poliomyelitis from the world by the year 2000 was launched by a
resolution of the World Health Assembly in May 1988. The resolution specified that …

Poliomyelitis control was initiated in the developed countries in the 1960s, with the
introduction of universal poliomyelitis immu nization. It has gradually been extended to all …

Much progress has been achieved in making the world free of poliomyelitis. The countries
that have achieved control should be giving practical help to those where the disease is still …

After live attenuated vaccine was introduced and came into widespread use in the United
States, the numbers of cases were reduced precipitously. In the 1980s the annual number of …

Since 1970, following a resolution adopted by the Twentysecond World Health Assembly in
1969, WHO has been pub lishing in the Weekly Epidemiological Record (WER) an annual …