Download S1. Typhoid Mary-Powerpoint presentation

Typhoid Mary case study
Public Health Image Library #16877
Disease occurrence
Suggested image:
http://spot.pcc.edu/~jvolpe/b/bi234/lec/7_
disease/images/fig14.15_DiseaseTerms.jpg
Endemic
Always there
Sporadic
Occasional
few cases
Epidemic
> Than usual
in short
period
Pandemic
Epidemic on
>1 continent
Reservoirs
Include images of animals such as:
Pigs http://www.ncagr.gov/research/cefs.htm
Chickens http://www.123rf.com/photo_4908043_groupof-chickens-on-a-field-of-grass.html
Bats
http://www.wallpaperup.com/511593/BATS_mammal_b
at_Chiroptera_flock_swarm.html
Zoonoses
Transmission
-Eating
-Wastes
-Insects
Reservoirs
Humans
Insert photo of large group of
people.
http://ww2.kqed.org/bayareabites/
wpcontent/uploads/sites/24/2012/08/
crowd-reggiewatts-people1000.jpg
Nonliving
Insert images of nonliving reservoir
examples:
Soil
https://bonnieplants.com/library/w
hy-does-ph-matter/
Fruits & Vegetables
http://vitalitynutrition.com/2015/0
8/10-surprising-ways-you-aremaking-your-vegetables-lessnutritious/#prettyPhoto
Water
http://uwanutrition.com/water-canheal-or-kill/
Transmission--vehicle
Aerosol
Insert image of aerosol
transmission:
http://bepast.org/docs/pho
tos/MDR%20tuberculosis/A
erosolTransmission.jpg
Insert image of glass of
water:
http://www.wa2.ca/?attach
ment_id=13089
Waterborne
Foodborne
Insert image of plate of
food. Several options here:
http://cool-foodimage.com/plate-of-foodpicture.html
Insert image of couple in
bed:
https://us.fotolia.com/Cont
ent/Comp/8654634
Bodily fluids
Transmission--vector
Insert image of ticks:
http://www.lawestvect
or.org/tickbiology.htm
Biological
Insert image of mosquito:
https://en.wikipedia.org/wi
ki/Mosquito#/media/File:M
osquito_2007-2.jpg
Mechanical
Insert image of
food with flies
on it. Example:
http://pacechro
nicle.com/healt
handbeauty/20
13/11/23/fliesin-the-food-nothank-you/
Transmission—direct contact
Insert image of biting child.
http://www.nurturingachild.co
m/why-do-children-bite-hitor-pinch-part-12/#prettyPhoto
Biting
Insert image of placenta.
http://www.pitterpatter.com.
my/wpcontent/uploads/2012/07/PRE
GNANCY34.jpg
via placenta
Kissing, intercourse
Insert image of
couple kissing.
http://thegrio.com
/2012/08/02/kissin
g-is-good-for-yourhealth-2/
Transmission—indirect contact
via fomites
Insert images of:
Syringes
http://drugfree.scdn1.secure.r
axcdn.com/wpcontent/uploads/2015/03/Syri
nges.jpg
Person chewing on pen
http://www.gettyimages.com/
detail/photo/getting-caughtup-in-his-work-businessroyalty-free-image/182056682
Money
http://www.123rf.com/photo_
2684146_americanmoney.html
Transmission—droplet (contact)
within 1 meter
Insert image of droplet
transmission via sneeze:
http://www.whatifcolora
do.com/scorm/coursefile
s/BDIC/page3293.html
Portals of Entry
Categories: skin, mucous membranes, placenta
Insert image of portals of entry:
http://academic.pgcc.edu/~kroberts/Lecture/Chapter%2014/portals.html
Parenteral: direct introduction (e.g. needle)
Portals of exit
Have to exit in order to spread infection!
Insert image of portals of exit
http://spot.pcc.edu/~jvolpe/b/bi234/lec/7_disease/images/fig14.11_PortalsOfExit.jpg
Virulence factors—adhesins
Insert image of bacterial adhesins:
http://spot.pcc.edu/~jvolpe/b/bi234/lec/7_disease/images/fig14.5_PathogenAdhesion.jpg
Virulence factors—extracellular enzymes
Hyaluronidase and collagenase
Coagulase and kinase
Insert image of hyaluronidase, collagenase, coagulase, and kinase.
https://www.google.com/search?noj=1&tbm=isch&sa=1&q=collagenase+and+hyaluronidase&o
q=collagenase+and+h&gs_l=img.3.0.0i24.4798.6755.0.8183.17.14.0.1.1.0.105.776.8j2.10.0....0...
1c.1.64.img..6.11.778.wMdFBCMRTeY#imgrc=fwmtOsWxrFW61M%3A
Virulence factors—toxins
Exotoxin
Endotoxin
Insert image of bacterial endo- and exotoxins
http://spot.pcc.edu/~jvolpe/b/bi234/lec/7_disease/images/fig14.9b_VirulenceFactors.jpg
Virulence factors—antiphagocytic
factors
Phagocytosis blocked by capsule
Incomplete phagocytosis
Insert image of phagocytosis being blocked by capsule.
http://image.slidesharecdn.com/ch14lecturepresentation-150831183309-lva1app6892/95/microbiology-ch-14-lecturepresentation-58-638.jpg?cb=1441046233
Stages of infectious disease
Insert image of infectious disease stages.
http://spot.pcc.edu/~jvolpe/b/bi234/lec/7_disease/images/fig14.10_DiseaseStages.jpg