Can pets transmit diseases even if they appear healthy?

Yes, pets can transmit disease-causing germs to humans even if they appear completely healthy. Animals, including pets, carry germs such as viruses, bacteria, parasites, and fungi that can cause various illnesses in humans. Whether an animal shows symptoms depends on the type of disease; they may show no signs of illness at all while still being capable of transmitting the infection.

Diseases that spread between animals and humans are known as zoonotic diseases. These illnesses can range from mild to very serious and, in some cases, can lead to death. People can become infected by touching an infected animal, its feces, urine, or contaminated objects in its environment [1].

How are diseases transmitted from pets?

Diseases from pets are transmitted in multiple ways, even if they show no signs of illness. This can occur through direct contact, such as touching, biting, or scratching, or through indirect contact, such as touching animal waste or contaminated surfaces in their environment. For example, turtles, snakes, and iguanas can transmit Salmonella bacteria to their owners. Additionally, toxoplasmosis can be transmitted from the feces of infected cats [2].

Who is at higher risk of infection?

Certain groups of people are at higher risk of contracting diseases that can be carried by animals. These groups include children under five years of age, adults aged 65 and older, and individuals with weakened immune systems. Pregnant women are also more susceptible to certain animal-related diseases, such as those transmitted by cats and rodents [3].

Tips to reduce the risk of disease transmission

To reduce the risk of disease transmission from pets, it is important to practice good hygiene. Always wash your hands with soap and water after touching your pet, handling their food, cleaning their environment, or touching any of their supplies. If soap and water are not available, use hand sanitizer. It is also essential to keep pet areas clean and disinfected regularly, and to avoid cleaning pet supplies in kitchen sinks or food preparation areas [3].

Ensure your pet receives regular veterinary care, including vaccinations, deworming, and flea and tick control. Consult a veterinarian about the best ways to keep your pet healthy, as a healthy pet contributes to protecting your family's health [3]. You can visit Zoonotic Diseases: A Family Guide to Preventing Infection (Arabic) for more information.

When should you consult a doctor?

If you or a family member develop unexplained symptoms after handling a pet, such as fever, diarrhea, a skin rash, or any concerning health changes, it is important to consult a doctor. Inform the doctor about your exposure to pets, as this can assist in diagnosing the condition and providing appropriate treatment.

Medical references

• Facts About Diseases that Can Spread Between Animals and People
• Animal Diseases and Your Health
• Ways to Stay Healthy Around Animals