Brian, a college student, stopped by one afternoon to visit his friends Tom and Alicia and their 2-year-old daughter Samantha. Little did any of them suspect that Samantha was coming down with the measles. She has not yet been immunized, and she had caught the virus from a little boy in her day-care group.
Brian has never had the measles and had never been vaccinated. Once he had been exposed to Samantha and his 1 defenses such as the 2 in his nose had been passed, it was too late to do anything. Brian soon experienced 3, or an elevated temperature, and swelling from 4. Now it was up to the 5 response to fight the invading viruses.
White blood cells called 6 and 7 carry out the specific immune response. Both types of cells were involved in defending Brian’s body against the measles virus. 8 engulfed or surrounded the virus particles. The viruses’ outer surface contained protein 9 that were foreign molecules to Brian’s body which triggered his immune response. The B cells produced specific 10 that could bind to the virus antigens, which also triggered the 11 to attack and kill Brian’s own virus-infected cells. However, Brian continued to have measles symptoms while his immune system was at work. He asked his doctor for an 12, but was told this chemical would be ineffective.
However, after he recovered, Brain was 13 to any future attack by the measles virus. Because of his experience with this virus, he suggested that his family members all get the measles 14 to prevent contracting it. Since the preparation was made using part of the virus instead of antibodies, this injection will be a type of 15 immunity. Although he was now protected from the measles virus, he still caught a cold the day before his math final exam.
Word Bank (T Cell will be used twice)

B Cell, Nonspecific Immune, Passive, Antibodies, Immune

T Cell, Antibiotics, Phagocytes, Mucous Membrane, Fever,

Specific Immune, Antigens, Inflammation, T Cell , Vaccine
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