Wikipedia:Picture of the day/November 23, 2004
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In most cases fleas are just a nuisance to their hosts, but some people and some animals suffer allergic reactions to flea saliva resulting in rashes, bites generally result in the formation of a slightly-raised swollen itching spot. However, fleas can transmit disease. One devastating example of this was the bubonic plague, transmitted between rodents and humans. Murine typhus (endemic typhus) fever, and in some cases tapeworms can also be transmitted by fleas. Photo credit: Robert Hooke |
