Answer:
HIV and AIDS
Explanation:
The researchers who studied the DNA of the Eyam Villagers made giant strides in discovering something very different in their DNA which was not found in the people that died during the plaque that ravaged the Eyam village in the 1660s.
The Eyam village was an Anglo-Saxon village were more than 260 out of 350 people died from a strange illness that plagued the village. the survivors of the plaque had a unique gene in their DNA that protected them from contacting deadly Viral disease like HIV. this discovery have helped scientists to carryout test on this people in search of a cure for the viral disease called HIV
