Kevin Carter/Getty Images(NEW YORK) -- One year ago, the first bird flu infection in a human in the United States was re...

Sorrasak Jar Tinyo/Getty Images(LANSING, Mich.) -- A Michigan resident has died of rabies after apparently undergoing an...

Antonio Perez/Chicago Tribune/Tribune News Service via Getty Images(AUSTIN, Texas) -- The number of measles cases associ...

JGI/Jamie Grill via Getty Images(NEW YORK) -- Cutting back on calories three days a week may lead to more weight loss th...

Craig Hudson for The Washington Post via Getty Images(WASHINGTON) -- A measles case was confirmed in a person who travel...

Jan Sonnenmair/Getty Images(NEW YORK) -- As measles cases continue to spread across the United States, many Americans ma...

Tom Williams/CQ-Roll Call, Inc via Getty Images(SALT LAKE CITY) -- Utah Gov. Spencer Cox signed a bill this week making ...

Jan Sonnenmair/Getty Images(WASHINGTON) -- Measles vaccination rates appear to be increasing in some areas of the U.S. t...

Paul Hennessy/NurPhoto via Getty Images(LUBBOCK, Texas) -- The measles outbreak in western Texas is continuing to grow w...

Jan Sonnenmair/Getty Images(LUBBOCK, Texas) -- When the first measles cases were confirmed in western Texas, health offi...

Subaas Shrestha/NurPhoto via Getty Images(AUSTIN, Texas) -- The measles outbreak in western Texas is continuing to grow ...

Roy Rochlin/Getty Images for Find Your Light Foundation(WASHINGTON) -- The Department of Health & Human Services (HH...