Brucellosis: Symptoms, Risks, and Prevention in Grand Rapids, Michigan

Brucellosis in Grand Rapids, Michigan

Brucellosis is not something most people in Kent County think about often, but it matters for anyone here who drinks raw milk, eats soft cheeses made from unpasteurized dairy, or works closely with animals. Farmers, hunters, veterinarians, and meat-processing workers across West Michigan can all come into contact with the bacteria that cause it. If you develop unexplained fevers or aches after a possible exposure, local providers like Corewell Health, Trinity Health Grand Rapids, University of Michigan Health-West, and Cherry Health can help you get tested. This guide explains the basics in plain language.

What Brucellosis Is

Brucellosis is an infectious disease caused by bacteria in the Brucella family. It is a zoonotic disease, which means it can spread from animals to people. While human cases are uncommon, knowing how it spreads helps you avoid it.

How It Spreads

Most people get brucellosis from food and drink. The main ways the bacteria reach people include:

• Eating or drinking unpasteurized (raw) dairy products, such as raw milk and soft cheeses.
• Eating undercooked meat.
• Breathing in the bacteria.
• Letting the bacteria enter through cuts in the skin or through mucous membranes when handling infected animal tissues, blood, or birthing fluids.

Animals commonly involved include cattle, goats, sheep, pigs, feral swine, and dogs. Person-to-person spread is possible but rare.

Who Is at Higher Risk

Some people in our community face more exposure than others. You may be at higher risk if you are:

• Someone who consumes raw dairy products.
• A slaughterhouse or meat-processing worker.
• A veterinarian.
• A farmer.
• A hunter.
• A laboratory worker who handles Brucella samples.

If you fit one of these groups, it helps to know the symptoms and to mention your work or hobbies to your healthcare provider.

Symptoms to Watch For

Brucellosis symptoms are often nonspecific, which means they can look like many other illnesses. Common symptoms include:

• Fever.
• Sweats and night sweats.
• Fatigue.
• Headache.
• Loss of appetite.
• Muscle and joint pain.

Symptoms usually appear within about 2 to 4 weeks of exposure. However, the range can be anywhere from about 5 days to 6 months, because Brucella has a long incubation period. That delay means it can be easy to forget about a glass of raw milk or a day handling animals weeks earlier, so keep possible exposures in mind.

Why Early Care Matters

If brucellosis is left untreated, it can lead to longer-lasting complications. These can include:

• Arthritis (joint inflammation).
• Heart inflammation, known as endocarditis.
• Enlargement of the liver or spleen.
• Infections of the nervous system.

Getting checked early gives you the best chance of avoiding these problems.

How It Is Diagnosed and Treated

Brucellosis cannot be diagnosed from symptoms alone. Laboratory testing of your blood or other samples is needed to confirm the infection. If you think you may have been exposed, your provider can order the right tests.

Treatment uses a combination of antibiotics, typically taken for at least 6 weeks, and often 6 to 8 weeks. Finishing the entire course is important. Completing the full treatment reduces the risk of relapse or of the illness becoming chronic, even if you start feeling better partway through.

How to Prevent Brucellosis

The good news is that brucellosis is largely preventable. The best steps you can take are:

• Avoid eating or drinking unpasteurized dairy products. Choose pasteurized milk and cheeses instead.
• Cook meat thoroughly, including wild game such as feral swine that hunters may bring home.
• If you handle animals or animal tissues, wear protective equipment like gloves, goggles, and masks.

There is no vaccine to prevent brucellosis in people. The livestock vaccine, such as RB51, is not approved for use in humans, so prevention relies on these everyday precautions.

When to Contact a Provider in Grand Rapids

Contact a healthcare provider if you develop symptoms after a possible exposure, such as consuming raw dairy or having contact with animals. Primary care offices throughout Grand Rapids, including Corewell Health, Trinity Health Grand Rapids, University of Michigan Health-West, and Cherry Health, can evaluate your symptoms and arrange testing. The Kent County Health Department is also a resource for questions about food safety and animal-related illness. For a medical emergency, always call 911.

Brucellosis is uncommon, but it is worth taking seriously. By choosing pasteurized dairy, cooking meat well, protecting yourself around animals, and seeking care when symptoms appear, you can lower your risk and protect your health here in West Michigan.