South Korea is facing an outbreak of Mers. The number of people infected is rising, as is the death toll. We explain the origins of the virus; how it spreads and whether a vaccine can protect against it.
An HIV-positive man has been sentenced to 24 years in jail for infecting at least 30 women despite knowing his status. The Italian man convinced women to have unprotected sex with him by saying he'd recently been tested.
Noroviruses are running rampant at the World Athletics Championships in London. They cause nausea, vomiting and diarrhea - and spread fast. Here's what you need to know about the germs and how to protect yourself.
Hepatitis attacks the liver and in the worst case can result in cirrhosis or liver carcinoma. But not all forms of Hepatitis are alike.
One cause for the rapid spread of the disease is when people with bleeding gums share a drink with others, using the same cup. Those who test positive and tell their families are often stigmatized.
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