Abortus -

Contagious abortion, often occurring in the last trimester of pregnancy, is the most common sign.

Efforts to manage B. abortus focus on surveillance, diagnostic testing, and vaccination.

In its primary host, cattle, B. abortus typically localizes in the reproductive tract. The hallmark clinical signs of infection include: abortus

Even with treatment, relapse occurs in 5–15% of cases due to the presence of "persister" cells that remain metabolically active within protective intracellular niches. Current Control and Prevention Strategies

Reduced milk production and the birth of weak calves further compound agricultural losses. Contagious abortion, often occurring in the last trimester

In humans, it can cause a debilitating, chronic illness characterized by undulant fever, joint pain, and fatigue.

The bacterium's ability to persist inside host macrophages makes it difficult to treat, often requiring long-term combination antibiotic therapy. In its primary host, cattle, B

Humans typically acquire B. abortus through direct contact with infected animals or the consumption of .