The U.S. saw a small increase in measles cases this week, an indicator that outbreaks are slowing down, though exposures at a busy airport in Colorado and a Shakira concert in New Jersey are keeping public health experts on their toes.
The Centers for Disease Control and Prevention said Friday that there are 1,046 confirmed measles cases, up 22 from last week. Texas, where the nation’s biggest outbreak raged during the late winter and spring, confirmed only 10 more cases this past week for a total of 728.
There are three other major outbreaks in North America. One in Ontario, Canada, has resulted in 1,795 cases from mid-October through May 20, an increase of 173 cases in a week. Another in Alberta, Canada, has sickened 538 as of Thursday. And the Mexican state of Chihuahua had 1,578 measles cases and three deaths as of Friday, according to data from the state health ministry.
Since the outbreak in the southwest U.S. …