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The virus causes measles, a highly contagious disease transmitted by respiratory aerosols that triggers a temporary but severe immunosuppression.Symptoms include fever, cough, runny nose, inflamed eyes and a generalized, maculopapular, erythematous rash and a pathognomonic Koplik spot seen on buccal mucosa opposite to lower 1st and 2nd molars.
An electron micrograph of the measles virus. Measles is caused by the measles virus, a single-stranded, negative-sense, enveloped RNA virus of the genus Morbillivirus within the family Paramyxoviridae. [51] The virus is highly contagious and is spread by coughing and sneezing via close personal contact or direct contact with secretions. [52]
Measles, one of the world’s most contagious infectious diseases, can cause serious complications – such as blindness, pneumonia or encephalitis, swelling of the brain – and even turn deadly ...
What they look like: Chiggers, a type of small mite, typically leave clusters of bites that are often very itchy. In many cases, chigger bites appear as small, red and itchy bumps. Sometimes, they ...
From ticks to spiders to bed bugs, here’s what the most common bug bites look like in photos, the symptoms to know, and whether or not they can be dangerous.
Vector-borne transmission, transmitted by a vector, which is an organism that does not cause disease itself but that transmits infection by conveying pathogens from one host to another. [ 32 ] The relationship between virulence versus transmissibility is complex; with studies have shown that there were no clear relationship between the two.
Measles is one of the most contagious diseases known to humans. Just one infected patient can spread measles up to nine out of 10 susceptible close contacts , especially if they are not wearing a ...
Measles, a.k.a rubeola, is an infection that’s caused by a virus, according to the Centers for Disease Control and Prevention (CDC). It’s a respiratory illness that consists of a cough, runny ...