Cause: The amount of Pfiesteria piscicida increased, causing a higher, more dangerous amount of toxin to be released, causing the symptoms.
Source: Excess nutrients from animal waste and fertilizers caused Pfiesteria piscicida to multiply.
Spread: The outbreak was limited to waterways with high populations of Pfiesteria piscicida, such as the eastern shore of Chesapeake Bay and North Carolina.
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Very good! Your turn!
Re: Disease Detectives B
Posted: November 27th, 2014, 11:19 pm
by dragons790
What is the difference between causal, noncausal, and spurious associations?
Re: Disease Detectives B
Posted: November 30th, 2014, 4:58 pm
by hmath729
changes in exposure produce changes in outcome
changes in exposure do not necessarily produce changes in outcome
false association, results from sampling error/bias
I found these on the web, but I learned a lot in the process. Thanks, dragons790!
Re: Disease Detectives B
Posted: November 30th, 2014, 5:48 pm
by dragons790
Yep, that's right!
Re: Disease Detectives B
Posted: December 1st, 2014, 6:40 am
by hmath729
What is the difference between vertical, horizontal, and iatrogenic transmission?
Please hide your answers!
Re: Disease Detectives B/C
Posted: December 17th, 2014, 8:52 am
by bernard
hmath729 wrote:What is the difference between vertical, horizontal, and iatrogenic transmission?
Please hide your answers!
[b]Horizontal transmission[/b] occurs from one individual to another in the same age group/generation.
[b]Vertical transmission[/b] occurs when a disease causing agent is passed from a parent to offspring.
[b]Iatrogenic transmission[/b] is a result of medical procedures (e.g. injection of material into one's body).
Even in situations of similar exposure, many humans' health can be affected very differently as a result of individual physical characteristics and/or behaviors. For example, one such characteristic is body weight. List five exposure factors. http://en.wikipedia.org/wiki/Exposure_a ... re_factors
Re: Disease Detectives B/C
Posted: January 18th, 2015, 8:08 am
by UTF-8 U+6211 U+662F
inhalation rates, heart rate, height, gender, age, etc.
Re: Disease Detectives B/C
Posted: January 19th, 2015, 11:55 am
by bernard
UTF-8 U+6211 U+662F wrote:
inhalation rates, heart rate, height, gender, age, etc.