The new strain is from the more deadly Clade I but is distinct from other outbreaks which have previously affected the region. It can also be spread through non-sexual contact, which makes it more dangerous.
Many children have been infected, including newborn babies during pregnancy.
There have been reports of a small number of infected pregnant women miscarrying their babies.
And some patients have been left with long-term complications with their eyes, skin and genitals.
One healthcare worker look