BED BUGS! - APIC In€¦ · Bed bug Biology Introduced via luggage, furniture, bedding Lay 2-3 eggs...
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BED BUGS! IN MEDICAL FACILITIES Lee Green Medical Entomologist Indiana State Department of Health
Transcript of BED BUGS! - APIC In€¦ · Bed bug Biology Introduced via luggage, furniture, bedding Lay 2-3 eggs...
BED BUGS!IN MEDICAL FACILITIES
Lee GreenMedical EntomologistIndiana State Department of Health
Ill. From “Monograph on Cimicidae”, by R.L. Usinger
•Order Heteroptera
•Adults 3-4 mm in length
•Common worldwide
•Simple metamorphosis: egg, nymphs, adult
•Crack/crevice harborage; furniture, bedding
Bed Bug Biology
Bed bug Biology
Introduced via luggage, furniture, bedding
Lay 2-3 eggs daily, glued in place (250/lifetime)
Both males and females feed on blood
Peak feeding time before dawn.
Take blood meal every 3-10 days
May feed on non-human hosts
May survive 10 months without blood meal
May move to adjacent rooms/units to feed
Resurgence as a result of increased travel and changes in cockroach treatment techniques
CDC
CDC
Eggs, Nymphs and Adults
Lee Green ISDH
Lee Green ISDH
Lee Green ISDH
Adult Bedbug
Medical Symptoms
Bites in rows of three
Welts, Itchiness, Swelling
Inflammation, sensitivity over time
Anxiety, Annoyance, Insomnia, entomophobia
Overuse of skin care products
Fortunately, there is no disease threat
From bed bug infestation
Feeding a “Rearing Jar”
ISDH
Immediate Bite Reactions
ISDH
Delayed Reactions (> 24 hrs.)
ISDH
Signs of Infestation
Fecal spots on mattress seams
Exuviae (shed skins) in harborage areas
Blood spots on bedding
Sweet, musty “bug” smell in heavy infestations
Appearance of the bugs themselves
Fecal stains on mattress
Lee Green ISDH
Fecal spots and bed bugs in box spring
Lee Green ISDH
Bed bug in head board
Lee Green ISDH
Blood spots on bed
ISDH
ISDH
More blood spots
ISDH
Bed bug habitat and harborage areas
•Crevices behind mouldings•Joints in hardwood floors•Behind picture frames•Joints in bed-frames•Joints in furniture•Electrical outlets•Behind loose wallpaper•Behind paneling or joinery•Mattress seams•Pillows
www.pixabay.com
What if bed bugs have made it into the hospital? 1. Don’t over react!
Panic leads to hysteria and poor decisions.
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Introduction vs. Infestation
Introduction
Finding a bed bug on a patient or their belongings is most likely an introduction.
Infestation
Multiple life cycle stages may be present.
Bed bugs in hospitals
Be proactive
Develop a bed bug action plan
Educate staff on bed bugs
The faster staff can recognize a problem, the easier it is to fix it.
www.Medscape.com
Monitor for bed bugs
Utilize monitoring technology
Maternity, LTC, waiting rooms, hospice, and ER’s
Luggage and personal effects
Check beds and bed frames when turning a room.
Quarterly thorough inspections
ISDH
ISDH
Responding to a bed bug incident Collect specimens for professional ID
Responding to a bed bug incident Confine the patient
Contain their belongings
Check for loose bed bugs.
Photo: http://www.bedbugs.umn.edu/control-bed-bugs-residences-information-pest-management-companies/ ThinkStock
Responding to a bed bug incident Washers/dryers are our best friends
30 minutes on high heat
ThinkStock ThinkStock
Responding to a bed bug incident If a room is suspected to be INFESTED, call a
licensed pest control company.
Bottom Line…
Photo: http://flickrhivemind.net/Tags/bugs,chinches
Questions?
Lee Green
http://www.in.gov/isdh/24955.htm
http://www.extension.entm.purdue.edu/publications/E-249.pdf
The images, written excerpts, and videos included are for educational purposes only and may be subject to copyright.
