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11 February 2019, 18:39 GMT
By Shamard Charles, M.D.
Twenty-two new cases of measles have been confirmed since the previous Centers for Disease Control and Prevention report, according to the latest figures from the agency.
So far, in 2019 the CDC confirmed 101 cases of measles from 10 states, although the data may not contain recent state-based news reports. The CDC count runs from 1 January to Thursday.
In the vast majority of these states, the disease travels by people who did not have the vaccine at all or who did not have the second dose. The measles vaccine is 97 percent effective when both doses are given.
The activity of mowing blades has been closely monitored in the south-west of Washington, where an emergency for public health was declared in January.
From Thursday, 55 cases of measles were confirmed in the state of Washington. Almost all cases occurred in children younger than 10 years, whose parents had chosen not to vaccinate them. A similar outbreak occurred among orthodox Jews in the state of New York in January.
Measles is a highly contagious viral disease, without specific antiviral treatment. Symptoms generally start a week up to 14 days after infection. They include high fever, cough, red eyes and the characteristic bluish white rash on the inside of the cheek Koplik spots. It is followed by a rash that spreads over the body. If untreated, encephalitis, a potentially fatal inflammation of the brain, can develop.
Germs are often brought to the United States by non-vaccinated people who become infected in other countries, says the CDC.
Vaccination rates have recently increased despite concerns about the outbreak. The Washington State Health Department says that approximately 530 people were immunized against measles in January 2018. In January there were more than 3,000 immunizations.