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2 hits for Var within The Public Health Agency of Sweden
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Methods and analysis of the long-term follow up of the effectiveness of one whole cell and two acellular pertussis vaccines
Published:Since 1997, the Public Health Agency of Sweden has conducted an Enhanced pertussis surveillance (EPS) of children with pertussis in Sweden. Part of the surveillance includes clinical information and vaccination histories. The methods used in the article are described in more detail in this
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