Smallpox Flashcards
1
Q
What is the cause?
A
Virus;
Contains antigens recognizing lymphocytes
2
Q
How is cowpox and smallpox similar?
A
Same antigen
3
Q
What happen after vaccination?
A
Px B and T memory cells;
Antigen receptors complementary to the antigen on smallpox virus
4
Q
Why is smallpox special?
A
Depends on human as host for reproduction;
Lacks animal reservoir
5
Q
Explain ring vaccination
A
Vaccines not only given to infected ppl;
Anyone who exposed to an infected person
