Definition

Noun 1. A type of bacteria: A genus of spiral-shaped bacteria (spirochetes) of the family Spirochaetaceae. These bacteria are transmitted to humans and other animals primarily through the bite of infected ticks or lice. 2. A causative agent of disease: Specifically, several species within this genus are the cause of certain infectious diseases, including Lyme disease and relapsing fever.

Usage Examples

• Noun (as a genus/category):
  • The laboratory confirmed the presence of Borrelia in the tick sample.
  • Scientists study the complex life cycle of Borrelia burgdorferi.
• Noun (as a pathogen):
  • The patient's symptoms were consistent with an infection by a borrelia species.
  • Antibiotics are used to treat illnesses caused by borrelia.

Advanced Usage

• In medical/scientific context: The word is almost exclusively used in scientific, medical, or public health contexts. It is often followed by the specific species name (e.g., , ).
  • The research focuses on the immune response to Borrelia infection.

Variants and Related Words

• Borrelial (adjective): Relating to or caused by borrelia.
  • The patient was treated for a suspected borrelial infection.
• Borreliaceae (noun): The biological family to which the genus belongs.
• Borreliosis (noun): The medical term for disease caused by borrelia infection (e.g., Lyme borreliosis).

Synonyms

• Spirochete: A broader term for spiral-shaped bacteria, which includes the genus .
• Pathogen: A general term for a bacterium, virus, or other microorganism that can cause disease.

Noun

1. cause of e.g. European and African relapsing fever