common diseases and infection control in school - 1 adebola e. orimadegun
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Common Diseases and Infection Control
in School - 1
Adebola E. Orimadegun
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What is a communicable disease?
“any condition which is transmitted directly or indirectly to a person from an infected person or animal through the agency of an intermediate animal, host, or vector, or through the inanimate environment”.
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Other Definitions
Infectious: Caused by a germ (bacteria, virus parasite, fungus) Communicable: Can be spread from person to person Reportable: Required to be reported to the local health authority department
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Modes of transmission
DirectFood-borne – E. coli, Salmonella (typhoid),Air-borne/InhalationContaminated water- Cholera, rotavirus, Hepatitis ASkin to skin Blood-borne or sexual
Indirect Vector-borne- malariaFormites/clothing
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Importance of Communicable Diseases
Significant burden of disease especially in low and middle income countriesSocial impactEconomic impactPotential for rapid spreadHuman security concerns
Intentional use
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Measles
SymptomsFever, runny nose, cough, sore / red eyes, photophobia Red-brown blotchy rash that spread from face to trunk to extremities
Transmission: Airborne transmission via respiratory droplets (or contact with nasal or throat discharge) Treatment: Supportive therapy Isolation: Exclude for at least 5 days following the onset of rash
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Mumps
Symptoms: Swelling of parotid glands (unilateral or bilateral), fever, headache Transmission: Contact with nose or throat discharge, saliva, or respiratory droplets Treatment: Supportive therapy Isolation: Excluded for 9 days after the onset of parotid swelling
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Mumps
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Chickenpox (Varicella)Symptoms: Rash that begins maculopapular and progresses to vesicular; often starts on trunk of bodyTransmission: Direct contact with drainage from lesions or airborne respiratory dropletsCommunicability: Contagious 1-2 days prior to rash onset through 6 days after appearance of vesicles Treatment: Symptomatic treatment Isolation: Excluded from school until 6th day after rash onset or until all lesions are dry
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Conjunctivitis
Symptoms: Redness of eye, discharge Allergic: Thick, ropey strands of discharge; intense itchingViral: Watery discharge Bacterial: “Goopy” dischargeTransmission: Contact with discharge from eye or respiratory secretionsTreatment: Eye dropsIsolation: Exclude until 24 hours of antibiotic treatment (if ordered)
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Scabies
Caused by mite that burrows under the skin and lays eggsSymptoms: Bumps or linear burrows (especially in between the fingers, inside the wrist, elbows, armpits, belt-line, genital area) with intense itching; patchy red rash may be present Symptoms may not occur until 2-6 weeks after infestation Can transmit infection during this time
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Scabies..2
Transmission: Direct skin to skin contact Treatment: Topical scabicide applied from jaw line to soles of feet; reapply again in 7-10 days Individuals who have had skin-to-skin contact with the case should also be treated Isolation: Excluded from school for 24 hours following treatment with appropriate scabicideMite does not remain viable off the skin of the host for more than 24 hours
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Scabies...3
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Ringworm
Fungal infection of skin on the body, scalp, groin (jock itch) or feet (athlete’s foot)Symptoms
Scalp: Scaly patches of temporary baldness; brittle hair
Skin: Flat, ring-like rash; may itch or burnFeet: Scaling and cracking of skin, especially between toes; blisters may be present
Transmission: Skin to skin contact or contact with contaminated items or petsTreatment: OTC or prescription antifungal cream
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Ringworm
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Simples steps to control infections in school
Sources and spreadpeople, food, contaminated surfaces such as toilets, kitchens, toys and animals such as pets can spread infections.
From person to person.Germs are carried in the faeces and spread on unwashed hands to other places (e.g. taps, toilet flushes, other people, food)
Via contaminated utensils, work surfaces.
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CONTAINMENT MEASURES
Isolate sick childExclude affected pupils and staff members until symptom free for 48 hoursStaff should not work in other schools or childcare settings during the outbreak, even if they are not symptomatic.Wear gloves and apron for contact with an affected pupil or environment
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Wash hands with soap and water after contact with an affected patient or environment, after removing gloves and apron. Remove exposed food such as fruit, also condiments, sauce bottles.Regular toilet inspections
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HAND HYGIENE
Hand washing and dryingmost important procedures for preventing the spread of infection.
VITAL to prevent person to person transmission
Encouraged – After going to the toilet, before and after eating, supervision of young children
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HAND HYGIENE
Easy access to liquid soap and paper towels
Hot and cold running water
“Mr Soapy Soap”:
May be supplied free!
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Six stage hand washing technique
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Enhanced cleaningIncrease frequency
Toilet areas, handles, fomites
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Thank you