Infectious Diseases. Outline Who are we? Common infectious diseases How to prevent the spread of...
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Transcript of Infectious Diseases. Outline Who are we? Common infectious diseases How to prevent the spread of...
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Infectious Diseases
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Outline
Who are we?
Common infectious diseases
How to prevent the spread of disease
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A Few Questions…
True or False:
1.Hepatitis B is preventable with a vaccine, but there is no cure
2. If you have Hepatitis C, you will look very sick
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A Few Questions
True or False:1. Oral Herpes has a cure2. Chlamydia and gonorrhea are the
most common sexually transmitted infections caused by bacteria
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A Few Questions…
True or False:
1.Head lice cannot be spread by sharing a hairbrush
2.Tuberculosis only affects the lungs
3.HIV and AIDS mean the same thing
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Hepatitis Inflammation of the liver
Bacteria Alcohol and toxins Your own immune
system Viruses
Multiple different ones!
Today – Focus on Hep B and C
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Hepatitis B Virus
How do you get it? Blood
Unprotected sexual contact Sharing needles During birth if mother infected Blood transfusion (rare)
Some Symptoms Nausea and vomiting Jaundice Pale feces/dark urine Pain in upper right part of abdomen Itching all over the body
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Hepatitis B Virus
Half of people show no symptoms
Chronic Hep B – long-term infection 5-10% of adults with Hep B
develop this Can lead to
Liver scarring Liver cancer
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Hepatitis B Virus
Diagnosis: blood tests
No cure for chronic Hep B
Preventable with a vaccine
Treatment: anti-retroviral drugs
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Hepatitis C How do you get it?
Blood Unprotected sex Sharing needles During birth if mother infected Blood transfusions (rare)
What are the symptoms? 80% of people have no symptoms Symptoms may not show up for
over 10-20 years Similar symptoms to Hep B
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Hepatitis C
Diagnosis: blood test
75% of adults with Hep C develop chronic infection
Chronic Hep C can lead to Liver scarring Liver cancer
The cure rate with medication is ~50%
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Oral Herpes
How do you get it? Touching infected saliva or skin Examples - lips, mouth, nostrils, ears,
eyelids, genital area, anus
Symptoms? Painful sores Fever and muscle aches Commonly no symptoms
No cure
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Genital Herpes How do you get it?
Skin-to-skin contact Sexual intercourse and
oral sex
Symptoms Lesions and ulcers
No cure Medications to prevent
and treat recurrences
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Chlamydia and Gonorrhea
How do you get it? Spread through vaginal, anal or oral
sex
Symptoms Often no symptoms Discharge, painful urination, fever
Treatment is with antibiotics
Prevention Limiting sexual partners safe sex practices
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Head Lice
Live on the head and lay eggs
How do you get it? Direct contact Sharing
hairbrushes Hats, towels,
clothing and bedding
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Head Lice
Symptoms Itchy scalp See nits in hair Live lice near scalp
Treatment Shampoos Proper cleaning of brushes, clothes
and sheets
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Scabies How do you get it?
Direct contact such as sexual relations and handshaking
Towels, clothing, bedding
Symptoms Small, raised bites Very itchy Worse at night
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Scabies
Treatment Topical
cream Wash
bedding and clothing
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Syphilis
How do you get it? Sexually transmitted Direct contact
Symptoms 6 weeks – ulcer 6 months – rash, fever, aches 6 years and longer – affects
heart, brain, etc.
Treatment Antibiotics Abstain from sex during
treatment
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Tuberculosis How do I get it?
Coughing Sneezing Talking
Contributing Factors Immunosuppresse
d Diabetes Alcohol Injection drug use
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Tuberculosis Lungs infected most
often
Symptoms May have no symptoms Coughing and chest
pain Fever and chills Night sweats and
weight loss
Diagnosis Skin test, chest x-ray,
labs
Treatment Multiple antibiotics
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HIV Human immunodeficiency
virus
How do you get it? Sexual activity Blood transfusions Needle sharing Mother to fetus
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HIV Stages Acute viral illness Clinical latency (average 8
years) No symptoms
Later symptoms Fever and chills Night sweats and weight loss Herpes infection Oral thrush – fungal infection
AIDS Pneumonia Meningitis Brain infections Severe mono infections
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HIV
Diagnosis Blood testing
Treatment Antiretroviral therapy with multiple
medications
Prevention! Avoid: Needle sharing Unprotected sex
Get educated!
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A Few Questions…
True or False:
1.Hepatitis B is preventable with a vaccine, but there is no cure
2. If you have Hepatitis C, you will look very sick
![Page 26: Infectious Diseases. Outline Who are we? Common infectious diseases How to prevent the spread of disease.](https://reader031.fdocuments.in/reader031/viewer/2022022402/56649d895503460f94a6f3ff/html5/thumbnails/26.jpg)
A Few Questions
True or False:
1. Oral Herpes has a cure
2. Chlamydia and gonorrhea are the most common sexually transmitted infections caused by bacteria
![Page 27: Infectious Diseases. Outline Who are we? Common infectious diseases How to prevent the spread of disease.](https://reader031.fdocuments.in/reader031/viewer/2022022402/56649d895503460f94a6f3ff/html5/thumbnails/27.jpg)
A Few Questions…
True or False:
1.Head lice cannot be spread by sharing a hairbrush
2.Tuberculosis only affects the lungs
3.HIV and AIDS mean the same thing
![Page 28: Infectious Diseases. Outline Who are we? Common infectious diseases How to prevent the spread of disease.](https://reader031.fdocuments.in/reader031/viewer/2022022402/56649d895503460f94a6f3ff/html5/thumbnails/28.jpg)
Questions
?
THANK YOU!