Definition of "pentavalent" []

• Having valence 5. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The vaccine called pentavalent immunises human body against diseases such as diphtheria, whooping chough, tetanus, Hepatitis B and Haemo Philes Influenza B. Dr Shyam Raj Upreti, director of CHD, said the vaccine would help bring down child mortality rate to a large extent."
• "When GAVI was launched in 2000 with $750 million over 5 years, there were widespread expectations that prices for common vaccines, such as the DTP-Hepatitis B-Hib pentavalent, mentioned above, would drop within that time period."
• "The first step forward was in November 2010 -- a decade into GAVI's work -- when it announced pricing for the pentavalent vaccine would drop below $3.00 USD per dose."