The Bill and Melinda Gates Foundation has spent more than $200m on inquiring about the field over the most recent seven years.
Hay'adda samafalka ee Bill & Melinda Gates ayaa ku kharash gareeysay lacag ka badan $200 milyuun oo doolar cilmi baaris lagu sameeyanayay Suuligaan taas oo qaadatay muddo toddobo sano ah.