Difference between revisions of "Measles"
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==Transmission== | ==Transmission== | ||
Measles is very contagious, the virus is spread by respiratory droplets (when an infected person coughs, sneezes, etc). Measles virus can survive in the air and on surfaces for up to 2 hours, and 90% of non-immune people who are exposed to measles become infected<ref>https://www.cdc.gov/vaccines/pubs/pinkbook/meas.html</ref> | Measles is very contagious, the virus is spread by respiratory droplets (when an infected person coughs, sneezes, etc). Measles virus can survive in the air and on surfaces for up to 2 hours, and 90% of non-immune people who are exposed to measles become infected<ref>https://www.cdc.gov/vaccines/pubs/pinkbook/meas.html</ref> | ||
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| + | ==Symptoms== | ||
| + | A fever typically begins 10-12 days after exposure, the fever increases in stepwise fashion, often reaching 105 degrees F. fever is followed by runny nose, pinkeye, and distinctive white spots inside the mouth. 2-4 days after onset of fever, a rash appears at the hairline, this rash spreads over the body and then disappears in the order that it appears, lasting a total of 5-6 days. Peeling skin may occur on those body parts most affected by the rash. 8% of measles cases involve diarrhea, 7% result in ear infection, and 6% result in pneumonia, according to the CDC.<ref>https://www.cdc.gov/vaccines/pubs/pinkbook/meas.html</ref> | ||
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==References== | ==References== | ||
Revision as of 23:48, May 12, 2018
Measles is a highly contagious, but rarely fatal, viral disease. There were 220 reported cases of measles in the United States in 2011. The Centers for Disease Control and Prevention attributes most of these cases to parents choosing not to vaccinate their children.[1] In recent years, the number of measles cases in the U.S. has increased. According to the CDC, this is due to unvaccinated travelers contracting measles overseas and then spreading the virus when they return to the country.[2]
In 2013, the CDC announced that measles outbreaks were increasing, almost entirely among people who were not properly vaccinated.[3]
Transmission
Measles is very contagious, the virus is spread by respiratory droplets (when an infected person coughs, sneezes, etc). Measles virus can survive in the air and on surfaces for up to 2 hours, and 90% of non-immune people who are exposed to measles become infected[4]
Symptoms
A fever typically begins 10-12 days after exposure, the fever increases in stepwise fashion, often reaching 105 degrees F. fever is followed by runny nose, pinkeye, and distinctive white spots inside the mouth. 2-4 days after onset of fever, a rash appears at the hairline, this rash spreads over the body and then disappears in the order that it appears, lasting a total of 5-6 days. Peeling skin may occur on those body parts most affected by the rash. 8% of measles cases involve diarrhea, 7% result in ear infection, and 6% result in pneumonia, according to the CDC.[5]