A third East Boston primary school builder is positively tested for mumps, school officials say.
OIE informed parents through an automated telephone call on Friday for a health issue at the school after officials were introduced to the positive test for mumps by the Public Health Commission in Boston.
In a letter to the parents, the school said: "We do not believe that the student came in close contact with all the students in our school who are not vaccinated. It is important to note that mumps can only be transferred from one person to another through close contact" .
The school says that all students are required to provide documentation for evidence of vaccination for MMR (mumps, measles and rubella).
"In the Otis school, almost all of our students provided documentation for their vaccines. However, very few students only provided partial documentation for vaccination, or did not provide any data," the statement said. "We contact these families to help them. If you are not sure if your child has adequate vaccines, please contact your healthcare provider as soon as possible."
The jaundice, an infectious disease caused by a virus, can spread through the air to persons close to (within three to six feet) when the infected person coughs or sneezes.
Mumps can also be spread by contact with infected secretions. People are infectious two days before symptoms begin within five days after the onset of the disease.
The most common symptoms are poor fever, headache, muscle pain, and swelling in the salivary glands.
Symptoms may occur 12 to 25 days after contact with an infected person (usually 16 to 18 days).
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