Which Statement About Variolation Is FALSE

question 43

Multiple Choice

Which statement about variolation is FALSE?

• A)Variolation originated in ancient China.
• B)Variolation involves infecting a person with dried scabs from lesions of people who had recovered from the disease.
• C)Variolation used chemicals produced from another microorganism to immunize against the disease causing microbe.
• D)Variolation leads to a controlled infection that induces immunity against further infection.