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 Notable Diseases		 AP Environmental Science  Notable Diseases		 AP Environmental Science

Notable Diseases AP Environmental Science - PowerPoint Presentation

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Uploaded On 2020-04-06

Notable Diseases AP Environmental Science - PPT Presentation

Malaria Pathogen andor Vector Protozoa carried by mosquitos Health Impacts Fever chills Kills millions each year Other important information Medicine will cure but hard to get in Africa Mosquito nets prevent infection DDT also prevents ID: 776268

important pathogen disease risk important pathogen disease risk food people chills deathother usa impactsfever carried vectorvirus urban pathogens waterhealth

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Slide1

Notable Diseases

AP Environmental Science

Slide2

Malaria

Pathogen and/or VectorProtozoa carried by mosquitosHealth ImpactsFever, chills. Kills millions each yearOther important informationMedicine will cure, but hard to get in Africa. Mosquito nets prevent infection. DDT also prevents.

Slide3

West Nile Virus

Pathogen and/or VectorVirus carried by mosquitosHealth ImpactsFever, chills. Can be deadlyOther important informationDead birds are 1st indicators of disease. “Newer” disease in USA

Slide4

Cholera

Pathogen and/or VectorBacteria in waterHealth ImpactsDiarrhea and deathOther important informationEliminated in USA, but still in developing countries without clean water to drink

Slide5

Giardia

Pathogen and/or VectorProtozoa in waterHealth ImpactsDiarrhea and sometimes deathOther important informationIn rivers and streams in USA. Hikers/backpackers need to filter water

Slide6

Tuberculosis

Pathogen and/or VectorBacteria in airborne droplets (coughs/sneezes)Health ImpactsCough (possibly with blood), chest painOther important informationPartially preventable by vaccine

Slide7

HIV/AIDS

Pathogen and/or VectorVirus in blood and bodily fluidHealth ImpactsAttacks the immune system. DeadlyOther important informationWorldwide, but epidemic in Africa

Slide8

Food-borne illness

Pathogen and/or VectorE. Coli and Salmonella are two kinds (bacteria)Health ImpactsVomiting, diarrhea, occassional deathOther important informationAffects 48 million each year in USIncreasing due to industrialized agriculture

Slide9

Yellow Fever

Pathogen and/or VectorVirus carried by mosquitosHealth ImpactsFever, chills, and death. Damages liver (turns people “yellow”)Other important information“older disease” used to kill lots of people in tropical countries

Slide10

Cryptosporidium

Pathogen and/or VectorBacteria with hard capsule or shellHealth ImpactsDiarrhea and deathOther important informationCannot be killed by chlorine. Needs to be “zapped” with ozone or UV. Killed 69 people in Milwaukee in 1993 with 400,000 sick.

Slide11

Hepatitis A,B,C

Pathogen and/or VectorVirus in blood and fecesHealth ImpactsJaundice –liver damage. Possible deathOther important informationVaccines available

Slide12

Influenza

Pathogen and/or VectorVirusHealth ImpactsFever, chills. Kills thousands in USA each year (usually elderly)Other important informationH1N1 (swine flu) tends to infect young people

Slide13

Pertussis (Whooping Cough)

Pathogen and/or VectorBacteria—highly contagiousHealth ImpactsUncontrollable, violent coughing, inability to breath.Other important informationVaccines highly effective to prevent, but has resurgenced due to non-vaxxers.

Slide14

Measles

Pathogen and/or VectorVirus—highly contagiousHealth ImpactsSevere respiratory disease with entire body rashOther important informationSame as pertussis

Slide15

Schistosomiasis

Pathogen and/or VectorParasitic Worms carried by freshwater snails, spread through contaminated waterHealth ImpactsA rash, itchy skin, fever, chills, cough, headache, belly pain, joint pain, and muscle achesOther important informationTreatable with medication

Slide16

Urban Ecology has lead to higher disease risk

Use Services

Day Care, cleaning services, food prep service, spa and

beauty

Restaurants and pre-made food

Increased dramatically. Levels of food-borne illness have skyrocketed despite better refrigeration and food preservation.

Slide17

Urban Ecology has lead to higher disease risk

Beauty parlor/Barbershops have increased services

Each extra service (waxing,

mani

/

pedi

, facial etc.) adds to additional reservoirs of pathogens, vectors and transmission risk

.

Health clubs and gyms

Mycobacterium is found in indoor pools and hot tubs.

Many pathogens are now chlorine-resistant.

Slide18

Urban Ecology has lead to higher disease risk

Globalization

Allows pathogens to “hitchhike” their way to new hosts in new parts of the world

More urban dwellers

Any concentration of people will increase the risk of disease transmission.

Floods, El Nino, hurricanes, earthquakes (Haiti for example) in cities bring high risk of disease