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Infectious Respiratory Diseases
Communicable Diseases Unit
Lesson 2
Five Types
Common cold
Influenza
Pneumonia
Strep Throat
Tuberculosis
The Common Cold
Over 200 viruses can cause a cold
Virus that infects the nose
High levels of stress can increase chance of catching a cold
Exposed to cold weather/getting chilled does not cause a cold!
Takes about 2-7 days to show symptoms
The Common Cold
TransmissionDirect and indirect contact
SymptomsRunny noseNasal congestionSneezingHeadacheCough/sore throatLast 2-14 days
The Common Cold
TreatmentRest and fluids
Over-the-counter meds
PreventionGood hygiene
Avoid close contact with infected people
Rest, fluids, and good diet
Influenza (The Flu)
Infection of the nose, throat, and lungs
Can cause complications (elderly, babies, people with chronic diseases)
Constantly changing (harder to form antibodies)
Influenza (The Flu)
TransmissionDirect and indirect contactCan spread rapidly in crowded places
SymptomsFeverHeadacheFatigueCoughSore throatMuscle achesOthers…
Influenza (The Flu)
TreatmentRest and fluids
Over-the-counter meds
Children and teens should not take aspirin if have the flu – can lead to Reye’s Syndrome
PreventionAvoid contact with infected people
Good hygiene
Flu shots
Pneumonia
Infection in the lungs caused by bacteria, viruses, or other pathogens
Mild to severe and fatal
TransmissionDirect and indirect contact
Untreated respiratory infections
Pneumonia
SymptomsCough with mucus
Fever
Chest pain
Shallow/trouble breathing
Fatigue
Others…
Pneumonia
TreatmentAntibiotics treat bacterial pneumonia
Viral may need hospital care
PreventionAvoid contact with infected people
Good hygiene
Prompt treatment of respiratory infections
Strep Throat
Bacterial infection in throat
Can lead to rheumatic fever
TransmissionDirect and indirect contact
SymptomsFever
Sever sore throat
Red throat with sores
Strep Throat
TreatmentAntibiotics
Rest and fluids
PreventionAvoid contact with infected people
Good hygiene
Tuberculosis
Bacterial infection in lungs
People with weakened immune systems more likely to contract (elderly, HIV infected, homeless, malnourished)
TransmissionDirect and indirect contact (airborne)
Tuberculosis
SymptomsMild cough and feverFatigueWeight lossNight sweatsCoughing up blood
TreatmentAntibiotics (some pathogens are resistant)
Tuberculosis
PreventionAvoid contact with infected people
Rooms with good ventilation reduce the risk of spreading TB