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hc ch 11 d.2

TermDefinition
Hepatitis A (HAV) Infectious agent: Hepatitis A virus
Hepatitis A (HAV) Transmission: Fecal-oral (contaminated food/water, poor hygiene)
Hepatitis A (HAV) Symptoms: Acute illness, no chronic infection
Hepatitis A (HAV) Prevention: Vaccine, handwashing, safe food/water
Hepatitis B (HBV) Infectious agent: Hepatitis B virus
Hepatitis B (HBV) Transmission: Blood, body fluids, needles, sex, birth
Hepatitis B (HBV) Symptoms: Acute or chronic, can cause liver damage/cancer
Hepatitis B (HBV) Prevention: Vaccine, safe sex, don’t share needles
Hepatitis C (HCV) Infectious agent: Hepatitis C virus
Hepatitis C (HCV) Transmission: Blood (mainly needles)
Hepatitis C (HCV) Symptoms:
Hepatitis C (HCV) Prevention: No vaccine, avoid needles, screening
Hepatitis D (HDV) Infectious agent: Hepatitis D virus
Hepatitis D (HDV) Transmission: Blood (only occurs with HBV)
Hepatitis D (HDV) Symptoms: Severe liver disease
Hepatitis D (HDV) Prevention: Hepatitis B vaccine
Hepatitis E (HEV) Infectious agent: Hepatitis E virus
Hepatitis E (HEV) Transmission: Fecal-oral (contaminated water)
Hepatitis E (HEV) Symptoms: Acute infection only
Hepatitis E (HEV) Prevention: Clean water, hygiene
HIV/AIDS Infectious agent: Human immunodeficiency virus
HIV/AIDS Transmission: Blood, sex, needles, birth
HIV/AIDS Symptoms: Weak immune system, infections, weight loss
HIV/AIDS Prevention: Safe sex, no needle sharing, testing
Tuberculosis (TB) Infectious agent: Mycobacterium tuberculosis
Tuberculosis (TB) Transmission: Airborne (coughing, sneezing)
Tuberculosis (TB) Symptoms: Cough, fever, night sweats, weight loss
Tuberculosis (TB) Prevention: Masks, ventilation, early treatment
MRSA Infectious agent: Staphylococcus aureus (drug-resistant)
MRSA Transmission: Skin contact, contaminated surfaces
MRSA Symptoms: Skin infections, boils, redness, swelling
MRSA Prevention: Handwashing, cover wounds, don’t share personal items
VRE Infectious agent: Enterococcus (drug-resistant)
VRE Transmission: Contact (hands, surfaces)
VRE Symptoms: Varies (UTI, bloodstream infections)
VRE Prevention: Hand hygiene, gloves, sanitation
C. difficil Infectious agent: Clostridium difficile
C. difficile Transmission: Contaminated surfaces, healthcare settings
C. difficile Symptoms: Severe diarrhea
C. difficile Prevention: Handwashing, careful antibiotic use
Created by: user-1891619
 

 



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