Pet ownership is thought to be a key to heart health, social support, and long life, but have you ever thought that letting a pet dog lick your face, picking up its feces or allowing it to sleep on your bed could put you and your kids at risk of catching infection? Pets can pass germs to human beings. Transmission of germs from animals to humans can occur either by direct contact between a person and an animal or through an intermediary insect like a mosquito or a tick. Although many germs are species-specific–meaning, they can infect only one or a few closely related species–other germs are able to cross species barriers and pass from animals or birds to humans. Virus and fungi are less likely to be transmitted from animals to humans, whereas bacteria and parasites that are normally found in animals find humans to be suitable hosts as well. Thus, many of the of the animal-derived infections are caused by bacteria or parasites.
Read how dog, cat and other pets may be carriers of infection.
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