What is harmful about cats for humans? - briefly
Cats can transmit diseases like toxoplasmosis through their feces, and their scratches or bites may lead to infections such as cat-scratch disease.
What is harmful about cats for humans? - in detail
Cats, while beloved companions for many, can pose certain risks to human health and well-being. One of the primary concerns is the transmission of zoonotic diseases. Toxoplasmosis, caused by the parasite Toxoplasma gondii, is a significant risk, particularly for pregnant women and individuals with compromised immune systems. This parasite is often found in cat feces, and exposure can lead to severe health complications, including birth defects or miscarriage. Another disease of concern is cat scratch fever, caused by the bacterium Bartonella henselae, which can be transmitted through scratches or bites, leading to fever, swollen lymph nodes, and in rare cases, more severe systemic infections. Allergies to cats are another common issue, with cat dander being a potent allergen that can trigger asthma, rhinitis, or skin reactions in sensitive individuals. Cats can also carry fleas, ticks, and other parasites that may infest homes and potentially transmit diseases to humans, such as Lyme disease or typhus. Additionally, cats’ sharp claws and teeth can cause physical injuries, particularly to children or those unfamiliar with handling them. These scratches or bites can become infected if not properly treated. In households with small pets or birds, cats may pose a threat to these animals due to their predatory instincts, leading to emotional distress for their owners. Furthermore, the presence of cats in homes with very young children or immunocompromised individuals requires careful hygiene practices to minimize health risks. While cats bring joy and companionship, it is essential to be aware of these potential hazards and take appropriate measures to mitigate them.