statistics for 2009 may look even worse. However, public coverage of adults is rising in some states, due to programs like Medicaid expanding eligibility. So not all the adults without private coverage are uninsured, Thorpe said. Indeed, the CDC estimated that about 44 million Americans were uninsured last year -- nearly the same as CDC estimates for other recent years. The CDC is one of at least three U.S. agencies that estimate the number of Americans without health insurance. The U.S. Census Bureau puts out what is perhaps the best-known number, but that agency's 2008 estimate is not due out until August. Like the Census Bureau, the CDC's estimate is based on a survey. The CDC interviewed about 75,000 Americans last year, asking if...