Q: Generate an explanation for the given claim using the provided supporting material from the paragraph. Please consider the following points while generating an output. 1) The claim will always have supporting proof in the paragraph, and the paragraph will have a clear point of view supporting the claim. 2) There can be instances where direct correlation to the claim is not available. Make use of the sentences in the paragraph to provide a corresponding output supporting the claim. 3) The explanation should be at least one and at most twelve sentences long.
Paragraph: The Georgia Department of Public Health said Monday the family's cases appear to have originated during travel out of the state. Two other families in Cobb County have been affected, and all 11 people were either not vaccinated or did not have a clear vaccination status. Health officials say they are continuing to notify people who may have been exposed and could face an increased risk of contracting the virus. Measles is highly contagious. The U.S. has experienced a resurgence of the illness that's fueled by outbreaks in unvaccinated communities. Claim: Georgia officials identify likely source of measles outbreak.
A:
Georgia health officials say a family of five is the likely source of a measles outbreak in a metro Atlanta county that has sickened 11 people.