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2.
Rev Sanid Hig Publica (Madr) ; 64(3-4): 141-50, 1990.
Article in Spanish | MEDLINE | ID: mdl-2131596

ABSTRACT

As a result of the Decree regulating the use of the Hepatitis B vaccination having been repealed, the usefulness of the study of infection markers for said virus prior to vaccination has been reviewed. The significance of the presence of isolated infection markers (surface antigen and antibodies as opposed to the surface antigens and those of the core of the Hepatitis B virus), and a sequential type study is discussed. It is considered that vaccination must be recommended whenever it is not possible to demonstrate the simultaneous presence of the surface antigen and antibodies as opposed to the core antigen or said antibodies and those corresponding to the surface antigen.


Subject(s)
Hepatitis B Antibodies/blood , Hepatitis B Antigens/blood , Hepatitis B/prevention & control , Vaccination , Biomarkers/blood , Decision Trees , Hepatitis B/blood , Humans
5.
Bol. Oficina Sanit. Panam ; 92(3): 203-7, mar. 1982.
Article in Spanish | LILACS | ID: lil-8496

ABSTRACT

En el presente estudio se intenta determinar la eficacia, como metodo de diagnostico virologico de casos de poliomielitis, de una tecnica serologica que permita demostrar la presencia de anticuerpos neutralizantes IgM especificos, tras el fraccionamiento de los sueros en gradiente de sacarosa. En los 30 casos de poliomielitis que se estudiaron empleando esta tecnica, la eficacia fue del 100%, a diferencia de la que se encontro al comparar dos muestras de suero en que la eficacia fue del 25%. Ademas, en 30 sueros adicionales de casos de miocarditis, pericarditis, endocarditis y diabetes juvenil, que se estudiaron de modo similar, la tecnica no dio falsos positivos. Se propone la conveniencia de aconsejar el uso de esta tecnica en los sistemas de vigilancia de la poliomietis


Subject(s)
Infant , Child, Preschool , Child , Adolescent , Adult , Middle Aged , Humans , Immunoglobulin M , Poliomyelitis , Serologic Tests
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