Label each example as either (PI) passive or (AI) active immunity:
a. ____ Bill had chicken pox when he was five. He doesn’t catch it again, even when his nephew gets sick with the virus.
b. _ Billy Jr gets vaccinated with a live attenuated form of the chicken pox virus. He doesn’t get chicken pox after playing with his infected cousin.
c. _____ Bill’s 3 month old daughter is breast feeding. She does not get chicken pox after playing with her infected cousin.

Question

MaeGracie MaeGracie

12-04-2016
Biology

contestada

Label each example as either (PI) passive or (AI) active immunity:
a. ____ Bill had chicken pox when he was five. He doesn’t catch it again, even when his nephew gets sick with the virus.
b. _ Billy Jr gets vaccinated with a live attenuated form of the chicken pox virus. He doesn’t get chicken pox after playing with his infected cousin.
c. _____ Bill’s 3 month old daughter is breast feeding. She does not get chicken pox after playing with her infected cousin.

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JcAlmighty JcAlmighty · Answer 1 · 2016-04-22T17:59:00+02:00

First, let's distinguish active from passive immunity:
- Active immunity occurs in a direct exposure of individuals to live pathogens. The result is a development of a disease. After that, individuals acquire immunity to the disease.
- Passive immunity is induced by vaccines with antibodies for a disease, so the disease does not develop.

a. ACTIVE IMMUNITY - Bill had a disease, so it must be active immunity.
b. PASSIVE IMMUNITY - Bill got a vaccine and a disease did not develop, so it must be passive immunity.
c. PASSIVE IMMUNITY - Although, 3-month-old daughter did not get a vaccine, she has mother's antibodies from the milk so she will not develop a disease.

ATal ATal · Answer 2 · 2021-03-25T19:23:01+01:00

ATal ATal

25-03-2021

Answer:

Active

Passive

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