This outbreak killed 47% of the people it infected, which is high, that compares with Ebola. Some of the people that contracted this mutated form had been vaccinated for polio. Which makes this even more alarming.An unusually deadly outbreak of polio in 2010 in the Democratic Republic of Congo was linked Monday to a mutated form of the virus which common vaccines may not prevent.
Deadly 2010 polio outbreak in Congo linked to mutant virus
Thoughts?