CCDM, Control of communicable diseases...
Terms in this set (18)
Hookwork disease identification
chonic parasitic infection
symptoms of hookworm
iron deficiency and hypochromic, microcytic anemia, Children w/heavy long term infection may have hypoprteinemia and may be retarded in mental and physical development. Occ severe acute/pulmonary/gi reactions; death is infrequent.
Infection of hookworm is confirmed by...
finding hookworm in feces; early stool examinations may be negative until worms mature
Infectious agents of hookworm:
Occurence of hookworm
Endemic in tropical and subtropical countries where sanitary disposal of human feces is not practiced and sil moisture and temp conditions favor development of infective larve
Reservoir of hookworm:
Humans: A duodenale & N americanus; Cats/dogs: A ceylanicum, A braziliense, A Canium
Mode of Transmission of hookworm:
eggs in feces are deposited on the ground and hatch
Larve develop in the 3rd stage, becoming infective in ____ days
Larve usuall penetrate what area of the body
the foot, also called ground itch (dermatitis)
Which larve enter the skin and pass via lymphatics and bloodstream to the lungs, enter the alveoli, migrate up to the traches to the pharynx, swallowed and reach the small intestinal wall, developing maturity in 6-7 wks (3-4 in case of ceylanicum)
symptoms develop after a few weeks to many months
which larve can become dormant for 8 months
Period of communicablility
No person-to-person transmissiona but infected people can contaminate the soil for many years if not treated
larve remain infected in soil for...
Universal, no evidence that immunity develops wiht infection
educate the public, installation of sanitary disposal, treat people, WHO recommends a strategy focused on high risk groups,
treatment of hookworm
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HMC 2012 BIB