If a person has a very mild disease, naturally acquired immunity may be lessened.
Correct Answer:
Verified
Q54: An antibody responds to a specific antigen.
Q55: Vaccines and toxoids provide artificial active immunity.
Q56: Patients should be skin-tested for hypersensitivity before
Q57: T cells directly attack invading antigens.
Q58: Passive immunity may be passed from a
Q60: With toxoids, bacterial toxins are not changed
Q61: The risks of vaccines are less than
Q62: Antitoxins are used for long-term effects against
Q63: Clinical trials show that neurological and developmental
Q64: At present, pneumonia vaccine is administered to
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents