Influenza vaccination status of persons aged 65-79 years--Allegheny County, Pennsylvania, February-March 1997.  [electronic resource] 

 -  MMWR. Morbidity and mortality weekly report  Dec 1998 
 - 1094-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0149-2195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Female<br/>Humans<br/>Influenza Vaccines<br/>Male<br/>Pennsylvania--epidemiology<br/>Vaccination--statistics & numerical data