PowerPoint Presentation

Infectious Disease8th Grade Health ClassJim Brennan

Tell me I want to know!What is Infectious Disease?Anything that can spread form organism to organism

How do they spread?Caused by pathogensWhich are organism that can cause disease

Microscope view of a pathogenHuman PathogensBacteriaOne celled organism

Produce toxins (poisons)

Diseases caused by bacteriaE-coliLymes DiseaseStaph Infections

Pictures of Staph

Clean your cuts or this can happenVirusesMuch smaller than bacteria

Can only reproduce if inside a cell

Mom I cant go to school

VirusDiseases caused by a virusThe FluCommon ColdChicken PoxHuman Immunodeficiency Virus

FungusMolds, Yeasts

Common Fungal diseaseAthletes Foot

Keep your feet drySources of PathogensPerson to PersonThrough direct contactKissing, shaking hands, any sexual act

Through Indirect contactSneezing, coughing

Preventing Person to Person TransmissionWash Hands FrequentlyUse Soap and water

Sneeze into your arm

Wear a condom

Do this for 20+ SecondsContaminated ObjectAny object that you can touch/ingest

Preventing Contaminated Object TransmissionWear personal protective barriersGlovesCook food thoroughly

Filter your water

Disinfect all surfaces daily

Animal BiteAny bite from an animal can transmit a disease

Common Animal bite related diseasesRabies- Dogs and Raccoons Malaria- MosquitoesLymes Disease- Deer Tick

Rabies Passed from the biting animal through saliva

Bacteria is in the saliva

Causes brain Inflammation

Lymes DiseaseBacteria lives in wild rodents

Passed to humans by tick bites

Primarily passed by Deer Ticks

Hard to see with the naked eye

Lyme Symptoms

MalariaIs a disease carried by mosquitoes

Is only found in hot wet places

No risk of Malaria transmission to you

Malaria Map

EnvironmentCaused by alterations to the environment

Usually chemicals in soil or water

Can cause death or serious illness

Can be preventedKeep chemicals away from water and soil