CDC probes pneumonia cases in U.S. military

Reuters AlertNet - CDC helps U.S. military probe pneumonia cases

"There is evidence that 10 of the [19 severe] cases have shown a higher than usual number of blood cells of one specific type called eosinophils. An increase in this type of white blood cell can occur in a variety of medical conditions -- for example, infections, asthma, hay fever and allergies," he said.