New cases of a killer virus are spreading across Europe. It's been described as "the current biggest threat to public health" after breaking out in Iraq and Namibia.
Crimean-Congo hemorrhagic fever (CCHF) has caused two reported deaths in Pakistan - while several cases have been reported in Spain.
The disease is caused by Nairovirus, a condition that is spread by ticks. According to the World Health Organisation (WHO) it has a fatality rate of between 10 and 40 percent.
