Possible exposure

In early May, the public health departments in Los Angeles County, Orange County and the city of Long Beach published the itinerary of a single measles patient to try to track down people who might have been exposed. The list shows the painstaking work of public health detectives—and how quickly one case of the highly contagious disease could expand into an outbreak.

April 27, all day, Farmer’s Daughter Hotel, Los Angeles.

April 27, 9 a.m.-noon, Peet’s Coffee, 3rd and Fairfax, Los Angeles.

April 27, 11 a.m.-3 p.m., Fratelli’s Café, Los Angeles.

April 27, 5-8 p.m., TART restaurant in Farmer’s Daughter Hotel, Los Angeles.

April 27, 2-5:30 p.m., The Grove shopping center, Los Angeles.

April 27, 3:30-5:30 p.m., J Crew and Barnes and Noble at The Grove, Los Angeles.

April 27, 3:30-5:30 p.m., The Original Farmers Market at The Grove, Los Angeles.

April 27, 4-6 p.m., Paper Source, 3rd and Fairfax, Los Angeles.

April 27, 8-11 p.m., Whole Foods, 3rd and Fairfax, Los Angeles.

April 27, 7-9:30 p.m., La Brea Tar Pits, Los Angeles.

April 28, until 10 a.m., Farmer’s Daughter Hotel, Los Angeles.

April 28, 5:30-7 p.m., Pizzanista, Long Beach.

April 28, 6-7:30 p.m., Total Wine, Long Beach.

April 29, 10 a.m.-noon, Humanities Instructional Building 100, UC Irvine.

April 29, 11 a.m.-3 p.m., Murray Krieger Hall, Classic Department, UC Irvine.

April 30, 2-5 p.m., Humanities Hall 112, UC Irvine.

April 30, 5-7 p.m., Susan European Dressmaker, Long Beach.

April 30, 7:45-11:45 p.m., Los Angeles International Airport, Terminal 2.

April 30, 7:30-9:30 p.m., LAX employee shuttle.

May 1, 7:10-9:30 a.m., LAX, Terminal 2.

May 1, 9:30-11:30 a.m., LAX employee shuttle.

May 1, 2-5 p.m, Ralph’s supermarket, Fourth Street, Long Beach.

May 1, 8-10 p.m., Art du Vin Wine Bar, Long Beach.

May 2, 1-3 p.m., Student Health Center, UC Irvine.

May 2, 3-6:30 p.m., Ralph’s supermarket, Pacific Coast Highway, Long Beach.

May 2, 6-10 p.m., AMC Marina Pacifica, Long Beach.

May 3, 11 a.m.-1 p.m., Broadway Car Wash, Long Beach.

May 3, 1:45-3:30 p.m., The Pickled Monk, Fullerton.

May 3, 2:40-4 p.m., Brick Basement Antiques, Fullerton.

May 3, 3-4:15 p.m., Buffalo Exchange, Fullerton.

May 3, 3:15-5 p.m., 8Eightyeight Cigar, Fullerton.