Measles outbreak in North Dakota prompts local health officials to quarantine unvaccinated schoolchildren

Measles cases continue to accumulate in the United States in what is already the second-worst year since the disease was declared eliminated a quarter-century ago. Now, a recent outbreak in one North Dakota county has led local health officials to quarantine nearly 200 unvaccinated students. North Dakota has reported nine measles cases this year, and a recent outbreak among schoolchildren in Williams County in the northwest part of the state has led local health officials to enforce a law that requires unvaccinated students to quarantine for 21 days after exposure to someone who has the virus. The move was taken...