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P. canis usually does not affect humans [25] but may be transmitted from animals to humans through animal bites, scratches, or licking over wounds. [7] [22] However, some patients developed infections without any scratches and puncture wounds. [26] In one case, a patient exposed to rabbit secretions was infected with P. canis. [20]
Cat-scratch disease has a worldwide distribution, but it is a nonreportable disease in humans, so public health data on this disease are inadequate. [22] Geographical location, present season, and variables associated with cats (such as exposure and degree of flea infestation ) all play a factor in the prevalence of CSD within a population. [ 23 ]
Humans can be infected though contact with a cat, including exposure to respiratory droplets from the animal's cough or sneeze, or by being bitten by an infected flea carried home by the cat. What ...
Bartonella henselae, formerly Rochalimæa henselae, is a bacterium that is the causative agent of cat-scratch disease [1] (bartonellosis). Bartonella henselae is a member of the genus Bartonella, one of the most common types of bacteria in the world. [specify] It is a facultative intracellular microbe that targets red blood cells.
Bartonella is a genus of Gram-negative bacteria.It is the only genus in the family Bartonellaceae. [2] [3] Facultative intracellular parasites, Bartonella species can infect healthy people, but are considered especially important as opportunistic pathogens. [4]
It is spread when an infected animal bites or scratches a human or other animals. [1] Saliva from an infected animal can also transmit rabies if the saliva comes into contact with the eyes, mouth, or nose. [1] Globally, dogs are the most common animal involved. [1]
Orf is a zoonotic disease, meaning humans can contract this disorder through direct contact with infected sheep and goats or with fomites carrying the orf virus. [6] It causes a purulent-appearing papule locally and generally no systemic symptoms.
When ants bite humans, it grabs the skin and also sprays a compound called formic acid, Frye explains. Ant bites tend to be small, swollen bumps that appear in clusters, Kassouf says.