polyvalent vaccine — a vaccine prepared from cultures or antigens of more than one strain or species … Medical dictionary
polyvalent vaccine — A recombinant organism into which antigenic determinants have been cloned from a number of pathogens, for use as a vaccine … Glossary of Biotechnology
Polyvalent — is a synonym for multivalent and denotes something which has many values, meanings or appeals. The metaphoric origin of is derived from valency in chemistry and by metaphoric attribution, may now a subtle, polyvalent allegory . In chemistry the… … Wikipedia
Vaccine — For other uses, see Vaccine (disambiguation). A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease causing microorganism, and is often made from… … Wikipedia
polyvalent — 1. SYN: multivalent. 2. Pertaining to a p. antiserum. * * * poly·va·lent .päl i vā lənt adj 1 a) having a chemical valence greater usu. than two b) having variable valence 2) effective against, sensitive toward, or counteracting more than one… … Medical dictionary
polyvalent — [päl΄i vā′lənt] adj. 1. Bacteriology designating a vaccine effective against many strains of the same species of microorganism 2. Chem. a) having a valence of more than two b) having more than one valence polyvalence n … English World dictionary
vaccine — Originally, the live v. (vaccinia, cowpox) virus inoculated in the skin as prophylaxis against smallpox and obtained from the skin of calves inoculated with seed virus. Usage has extended the meaning to include essentially any preparation… … Medical dictionary
mixed vaccine — polyvalent v … Medical dictionary
pneumococcal vaccine polyvalent — (PPSV) a 23 valent vaccine containing capsular polysaccharide from the 23 most prevalent or invasive serovars of Streptococcus pneumoniae, which are responsible for about 90 per cent of pneumococcal disease in the United States. Administered… … Medical dictionary
List of AIDS-related topics — This is a list of AIDS related topics, many of which were originally taken from the public domain U.S. Department of Health Glossary of HIV/AIDS Related Terms, 4th Edition. [http://www.aidsinfo.nih.gov/ed resources/glossary/] NOTOC A AACTG… … Wikipedia
African horse sickness — (AHS) is a highly infectious, and deadly disease. It commonly affects horses, mules, donkeys and zebras. It is caused by a virus of the genus Orbivirus belonging to the family Reoviridae. This disease can be caused by any of the nine serotypes of … Wikipedia