Wild poliovirus surveillance

Resolution CD33.R14 of the XXXIII Meeting of the Directing Council (1988)—that all polio- endemic countries should hold national immunization days at least twice a year as

Substantial progress has been made since the countries of the Americas resolved in 1985 to eradicate polio from the Hemisphere by 1990. Many countries have

c) Continue these measures until eradication of the indigenous transmission of wild poliovirus is achieved and certified. 4.2 Countries not endemic for polio should ensure that

To implement the hemispheric effort to eradicate indigenous transmission of wild poliovirus, a high level of coordination among the countries and the international

matter of new diseases and their special problem for the countries to the attention of the WHO. Committee on International Surveillance of

Research is underway to elucidate the role of enteroviruses in certain sfiecific conditions-cardiac disease, ne#hritis, diabetes, hemorrhagic conjunctivitis.. Heart

In the present communication I shall present data ac- cumulated since then on criteria of attenuation, on the role of temperature of cultivation on the selection

90% of the children had received three or more doses of oral polio vaccine, irre- spective of supplementary vaccinations provided on National Vaccination Days; a