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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]
The measles virus (MV), with scientific name Morbillivirus hominis, is a single-stranded, negative-sense, enveloped, non-segmented RNA virus of the genus Morbillivirus within the family Paramyxoviridae. It is the cause of measles. Humans are the natural hosts of the virus; no animal reservoirs are known to exist.
An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic. [1]
A measles outbreak is defined as three or more related cases, with disruptive outbreaks defined as 20 or more cases per 1 million people in a year. PHOTO: In this undated stock photo, a child is ...
Measles can cause a rash, high fevers, and even brain swelling and death. ... “For an outbreak, you need two things: a susceptible pool of people, mostly children, and introduction of the virus ...
With more than 100 measles cases this year and vaccination rates falling, the U.S. could lose its elimination status for the highly contagious disease, officials warn. Measles should be long ...
The outbreak lasted 25 weeks, included more than one strain of the measles virus and had 12-17 generations of spread. In 2008, Canada had more than 30 confirmed cases in Ontario in 2008, with more than half reported in Toronto. [48] In 2011, Quebec experienced the largest outbreak of measles in the Americas since 2002. [49]
“Measles is a highly contagious virus that can spread quickly through the general public if people are not vaccinated,” Dr. Sandra Kemmerly, infectious diseases specialist and system medical ...