from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A group of closely related microorganisms distinguished by a characteristic set of antigens.
  • transitive v. To classify according to serotype; assign to a particular serotype.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A group of microorganisms characterised by a specific set of antigens.
  • v. To assign or classify according to serotypes


Sorry, no etymologies found.


  • Specifically, they found a type strain of Streptococcus pneumoniae bacteria known as serotype 19A in the children's ear fluid.

    Ear Bacteria Resist Treatment

  • The two studies-one from Massachusetts and one from Texas-find that the most common cause of invasive pneumococcal infections is now a strain called serotype 19A, which is not prevented by the current pneumococcal vaccine.

    Newswise: Latest News

  • American researchers found that the most common cause of invasive pneumococcal infections is now a strain called serotype 19A, which is not covered by the PCV7 vaccine.

    Medlogs - Recent stories

  • confirmed today that the salmonella strain -- also known as a serotype -- found in a 5-pound container of King Nut peanut butter on Friday is the same as the strain that has wreaked havoc in 410 people in 43 U.S. states, at last count. recalled all King Nut and Parnell's Pride peanut butter on Saturday.

    Scientific American

  • Dr. THIERAN: The cholera is a water-borne disease that is caused by a bacteria called Vibrio cholerae and that has a specific serotype that is labeled 01.

    Deadly Cholera Outbreak Sickens Thousands In Haiti

  • Influenza A is the most common and is a quickly mutating serotype and is often more debilitating than the Influenza B virus.

    Norman H. Edelman, M.D.: Why The Flu Is The Smartest Virus Around

  • An international gene sequencing team reports that the specific sub-type, or "serotype", of the E. coli outbreak strain, 0104:H4, is "super-toxic" and is a "hybrid" of other bugs.

    E. coli outbreak bug genes look super aggressive

  • As such, serotype replacement - that is, the rise of non-vaccine strains following immunization - has always been a concern with pneumococcal conjugate vaccines.

    The Difference a Year Can Make

  • Over the past year, surveillance in richer countries like the USA and UK, who have been using the 7-valent vaccine for 5 to 10 years now, has begun to identify patterns of serotype changes that make the need for surveillance in Africa more important than ever.

    The Difference a Year Can Make

  • As one example, I brought up the phenomenon of serotype replacement, which can occur due to the use of what are called “multi-valent vaccines.”

    The Panda's Thumb: Medicine and Evolution Archives


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