Undark details what happened after a mother walked into a Lowell clinic last fall with her daughter, who had measles. Read more.

The Boston Public Health Commission reports anybody who might have visited the Tasty Burger on Boylston Street between 7 and 11 p.m. on July 19 or Terminal B at Logan Airport between 8:30 a.m. and 2:30 p.m on July 20 should check themselves for possible measles symptoms. Read more.

State public-health officials have released the itinerary of a European visitor to the Boston area earlier this month and say anybody who might have been in the same area at the same time as this person might want to check with their health-care provider because that person came down with measles.

The locations include the Cambridgeside Galleria on the afternoon of May 1, the 1 bus that morning and the Green Line later that afternoon and the Star Market at the Pru and the Nespresso on Newbury Street on the afternoon of May 4. Read more.

The Boston Business Journal reports on the confirmed cases in the last half of August.

The Boston Public Health Commission says one of the five victims worked at South Station while contagious.

The commission says it hasn't found a link so far between the five cases, one involving a Boston resident, the other four among people who either work here, visited here or sought medical treatment for symptoms here. Their ages range between 16 months and 65 years.