Flu expert says bird flu virus may be spread by infected feces blowing in the wind. Dr. Michael Osterholm is a medical ...

RSV is usually contagious for three to eight days. A patient also may be contagious a day or two before experiencing symptoms, the CDC said. Infants and those with weakened immune systems, however, ...

A bird-flu pandemic is far from inevitable. But health experts are closely monitoring an outbreak that could quickly escalate ...