How will the World Health Organisation's Director-General Dr Tedros Ghebreyesus deal with the mounting challenges? Africa's academics have some tips.
A century and a half after buruli ulcer was discovered, the disease continues to mystify scientists.
Although there have been global efforts to eliminate parasites, some parasites and vectors will have survived attack because they have evolved resistance.
The drug that led to two scientists wining the Nobel Prize for Physiology or medicine has made a significant difference for those suffering from elephantiasis and river blindness.