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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]
Roughly a day after the fever sets in come the three C’s of measles: cough, conjunctivitis (pink eye) and coryza (a runny nose). Some kids may be sensitive to light and start to squint, as well.
Measles is so contagious that even one case is considered an outbreak. Each measles patient infects an average of 12 to 18 people who lack immunity from vaccines or natural infection.
Measles was eliminated in the Americas last year, but there's one reason for lingering outbreaks. Officials: Measles outbreak caused by anti-vaccination campaign Skip to main content
Measles is a leading cause of vaccine-preventable childhood mortality. Worldwide, the fatality rate has been significantly reduced by a vaccination campaign led by partners in the Measles Initiative : the American Red Cross , the United States Centers for Disease Control and Prevention (CDC), the United Nations Foundation, UNICEF and the WHO.
Measles is considered one of the most contagious diseases, Russo notes, making it easy to spread quickly among unvaccinated people. "Some of these diseases are potentially lethal," he says.
[4] [18] [30] One misdiagnosis is scabies; [9] however, unlike scabies mites, avian mites can be seen with the naked eye and do not burrow. [9] Bites can also be mistaken for those caused by other conditions such as cheyletiellosis ( Cheyletiella ), trombiculosis ( Trombicula ), bedbug infestations ( Cimex lectularius ), or urticarial dermatitis .