Question

Medicines containing killed or weekened pathogens and used to prevent infectious disease are called

Answer 1

HEY.....
HERE IS UR ANSWER....


VACCINES ARE THE MEDICINES CONTAINING WEAKENED PATHOGENS AND ARE USED TO PREVENT INFECTIOUS DISEASES .

FIRST VACCINE WAS DISCOVERED BY EDWARD JENNER FAMOUS ENGLISH PHYSICIAN . 'VACCA' IS COW IN LATIN AND COWPOX IS 'VACCINA' . BY THIS VACCINATION COME INTO USE

Answer 2

Answer:

Vaccines must be the answer