Comparison of hemagglutinin and agglutinin schemes for the serological classification of Haemophilus paragallinarum and proposal of a new hemagglutinin serovar

L. E. Eaves, D. G. Rogers, P. J. Blackall

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Abstract

Ninety-five isolates of Haemophilus paragallinarum were classified serologically by a hemagglutinin serotyping scheme, and the results were compared with results from agglutinin serotyping of the same isolates. Of the isolates, 65 were from Australia, 5 were from Japan, 6 were from the Federal Republic of Germany, 7 were from the United States, and 12 were from South Africa. Seven hemagglutinin serovars, HA-1 to HA-7, corresponding to agglutinin serovars A (HA-1, HA-2, and HA-3), C (HA-4, HA-5, and HA-6), and B (HA-7) have been described. Only one of the seven hemagglutinin serovars was found among the Australian isolates. This was serovar HA-5, comprising 49 isolates. Fifteen Australian isolates, all from Southeast Queensland and northern New South Wales, were found to belong to a new hemagglutinin serovar. This was designated HA-8 and represented a fourth subgroup of agglutinin serovar A. Of the 95 isolates examined, only 1 did not produce a hemagglutinating antigen and was nonserotypeable by the hemagglutinin system. This compared favorably with the agglutinin scheme, which serotyped only 60 of the 95 isolates, with 29 nonserotypeable and 6 autoagglutinating.

Original languageEnglish (US)
Pages (from-to)1510-1513
Number of pages4
JournalJournal of clinical microbiology
Volume27
Issue number7
StatePublished - Jan 1 1989

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Haemophilus paragallinarum
Agglutinins
Hemagglutinins
Serotyping
West Germany
New South Wales
Queensland
South Africa
Serogroup
Japan
Antigens

ASJC Scopus subject areas

  • Microbiology (medical)

Cite this

Comparison of hemagglutinin and agglutinin schemes for the serological classification of Haemophilus paragallinarum and proposal of a new hemagglutinin serovar. / Eaves, L. E.; Rogers, D. G.; Blackall, P. J.

In: Journal of clinical microbiology, Vol. 27, No. 7, 01.01.1989, p. 1510-1513.

Research output: Contribution to journalArticle

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