Transmission of infection Flashcards
1
Q
What is virulence
A
The ability of the microbe to cause disease
2
Q
What is dose
A
The number of microbes entering the body
3
Q
What is ID50
A
Infectious dose 50 (how an infectous dose is expressed)
4
Q
What is the infectios dose of TB
A
1 bacillus
5
Q
What is the infectous dose of Syphilis
A
57 bacteria
6
Q
What is the incectious dose of E. coli 0157
A
<10 cfu
7
Q
What is the infectious dose of influenxa virus
A
<10 (tissue culture ID50)
8
Q
What does a low ID50 indicate
A
More infectious
9
Q
A
