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Unit 1:
Ch. 1
Ch. 2
Ch. 3
Interlude A
Unit 2:
Ch. 4
Ch. 5
Ch. 6
Ch. 7
Ch. 8
Ch. 9
Interlude B
Unit 3:
Ch. 10
Ch. 11
Ch. 12
Ch. 13
Ch. 14
Ch. 15
Interlude C
Unit 4:
Ch. 16
Ch. 17
Ch. 18
Ch. 19
Interlude D
Unit 5:
Ch. 20
Ch. 21
Ch. 22
Ch. 23
Ch. 24
Ch. 25
Ch. 26
Ch. 27
Ch. 28
Ch. 29
Ch. 30
Interlude E
Unit 6:
Ch. 31
Ch. 32
Interlude F
Unit 7:
Ch. 33
Ch. 34
Ch. 35
Ch. 36
Ch. 37
Ch. 38
Interlude G

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Bacterial Spread All Down to Chance: Some Strains “Just the Lucky Ones”
PNAS

Scientists have discovered that factors such as human immunity and drug resistance are less important to the success of bacterial spread than previously thought.

» Read the full article

Active Reading Questions

  1. fiogf49gjkf0d
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    Infectious diseases in humans can be caused by which of the following?
    a) bacteria
    b) viruses
    c) parasites
    d) all of the above
  2. fiogf49gjkf0d
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    According to the article, the spread of certain types of bacteria is due more to ____________ than to human immunity or drug resistance.
    a) chance
    b) one strain of bacteria outcompeting another
    c) people traveling
    d) the strength of the strain of bacteria
  3. fiogf49gjkf0d
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    Assume you have been exposed to Streptococcus pneumonia by shaking hands with someone who is infected. Explain, in general terms, how your body will fight the infection.
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