<prompt> Multifactorial causation of disease theory was proposed by -LouispasteurPettenkoferRobertkochAristotle  <response>: Ans. is b i.e.. Petfenkofer o Germ theory of disease - Louis pasteuro Spontaneous generation theory - Aristotleo Multifactoriai causation of disease -Pattenkoffer.o Intake of fresh citrus fruits in prevention of scurvy - James Lindo Term Vaccination - Edwrard Jennero Term Vaccine - Louis Pasteuro Life cycle of plasmodium - Ronald Rosso Transmission of yellow fever - Walter Reedo First vaccine developed - Small pox Edward Jennero First antibiotic - Penicillin Alexander Flemingo Growth chart - David Moley 