نتایج جستجو برای: poliomyelitis vaccine
تعداد نتایج: 112153 فیلتر نتایج به سال:
The national reporting system for infectious diseases in the United States was initially an archival system designed to document trends in disease occurrence rather than to provide epidemiologically important information needed for prevention and control of diseases. As national immunization programs developed, so did the need for surveillance of vaccine-preventable diseases. The first major su...
INTRODUCTION This study reviewed the epidemiological trends of poliomyelitis from 1946 to 2010, and the impact of the national immunisation programme in raising the population herd immunity against poliovirus. We also traced the efforts Singapore has made to achieve certification of poliomyelitis eradication by the World Health Organisation. MATERIALS AND METHODS Epidemiological data on all r...
We collected 30 cases of vaccine associated paralytic poliomyelitis (VAPP) from 4081 cases of acute flaccid palsies cases notified from 1989 to 1995 to the Brazilian Ministry of Health. There were 30 VAPP cases with 56% of children younger than 1 year old, 56.7% of female. 46% of cases were reported in the Northeast. Ten P2 vaccine virus, 8 P3 and 2 P1 and associations amongst them were isolate...
Monoclonal antibody panels developed to differentiate vaccine-derived and wild-type strains of polio-viruses were applied to isolates from cases of paralytic poliomyelitis, non-paralytic poliomyelitis, and healthy excreters of poliovirus from Poland. All isolates from poliomyelitis cases were shown to be vaccine-derived, as were most other strains. However, two strains associated with meningiti...
881 Immune response of neonates to oral poliomyelitis vaccine In the conventional schedule of immunisation infants are given three doses of oral poliomyelitis vaccine starting at, or after, 6 to 8 weeks of age. In the new pulse immunisation strategy three doses of oral poliomyelitis vaccine are given in annual cycles to children under 24 months of age.' I carried out a study to see whether a lo...
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