Variant creutzfeldt-jakob disease can be prevented by avoidinga) consumption of contaminated meatb) contaminated waterwaysc) consumption of undercooked meatd) contact with mosquitoese) contact with bird droppings

A) consumption of contaminated meat

Explanation:

The variant Creutzfeldt-Jakob disease (vCJD) is a transmissible disease caused by prions proteins from sick cows suffering mad cow disease or Bovine spongiform encephalopathy, if one person eats meats from these animals cold develop the vCJD. Like the prions proteins are heat resistant the only way to avoid contracting these disease is to be sure that the meat we eat if free from prions.