Species Haemophilus parasuis

Name: Haemophilus parasuis Biberstein and White 1969 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: pa.ra.su’is. Gr. prep. para, beside, alongside of, near, like; L. gen. masc./fem. n. suis, of a pig, and also a specific epithet; N.L. gen. masc./fem. n. parasuis, resembling (Haemophilus) suis

Pronunciation (Latin), gender: ha͡e-MO-p^hi-lus pa-ra-SU-is, masculine

Type strain: 1374; ATCC 19417; CCUG 3712; CIP 100918; CIP 58.8; DSM 21448; NCTC 4557; Shope 1374

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M75065 Analyse FASTA

Effective publication: Biberstein EL, White DC. A proposal for the establishment of two new Haemophilus species. J Med Microbiol 1969; 2:75-78.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Glaesserella parasuis (Biberstein and White 1969) Dickerman et al. 2020

Risk group: 2

• Synonyms:

  • Name	Kind
    Glaesserella parasuis (Biberstein and White 1969) Dickerman et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Haemophilus parasuis is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Haemophilus.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2, note = "t". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 596 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.

Parent taxon: Haemophilus corrig. Winslow et al. 1917 (Approved Lists 1980)

Assigned by: Biberstein EL, White DC. A proposal for the establishment of two new Haemophilus species. J Med Microbiol 1969; 2:75-78.

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Record number: 783944