It appears the first Zika vaccine candidate is on target to enter initial clinical trials in September, said the director...

  "The links are as strong as they would be for saying that tobacco causes lung cancer,"  a researcher says

  MERS has spread to 26 countries, related to at least 586 deaths.

  At least three-quarters of the cases can be attributed to clusters in hospitals started by three highly infectious people, or...

  "Duplicity is the currency of today ... they say one thing and do another."

  A 75-year-old businessman from Oman, who had traveled to Bangkok for medical treatment for a heart condition, had tested...

  No indication that the MERS virus in South Korea had changed to make it more transmissible

  All but one of South Korea's cases have been confirmed as originating with the businessman who traveled to the...

  The wedding planner said the picture was not meant to be taken seriously

  The latest fatality involved a 68-year-old woman who came into contact with a MERS patient at a hospital...

  An 80-year-old man became South Korea's sixth fatality of a disease.

  South Korea has disclosed the list of 29 hospitals affected by the outbreak.

  South Korean health officials on Sunday reported 14 more cases of Middle East Respiratory Syndrome

An outbreak of Middle East Respiratory Syndrome (MERS) in South Korea has killed two people, prompting worry among Seoul residents