Tiêu đề VIRAL DISEASES.pdf ✅

VIRAL DISEASES HEPATITIS: WORD STUDY: The word HEPATITIS means INFLAMMATION OF THE LIVER CAUSE: Hepatitis is most commonly caused by one of 3 viruses; (1). Hepatitis A (2). Hepatitis B (3). Hepatitis C HEPATITIS A (MOST COMMON) HEPATITIS B HEPATITIS C OTHER NAMES Infectious hepatitis Serum hepatitis Non-A, Non-B hepatitis Infusion hepatitis VIRUS HAV (picornavirus) HAB (hepadnavirus) HCV (flavivirus) GENETIC MATERIAL ENVELOPED/NON- ENVELOPED RNA Non- enveloped dsDNA Enveloped RNA Enveloped MODE OF TRANSMISSION Fecal – oral route Body fluids__tears, Blood,saliva, Urine,vaginal fluid Body fluids mostly infected person’s blood Sharing drug needles, getting a tattoo, body piercing with unsteralized eprepare.org eprepare Academy | 03414874938
tools,blood transfusion from mother to new born, sexual contact, kidney dialysis centers SYMPTOMS Mild infection ACUTE: fever, anorexia, nausea,vomiting, jaundice,dark urine,pale feces ACUTE: general malaise,fatigue, loss of apetite, jaundice(similar to HAV) CHRONIC: liver cancer Can be similar to HAV,HBV ACUTE: just like hepatitis B CHRONIC: chronic liver disease, liver transplant INCUBATION PERIOD 2 – 6 weeks 4 – 20 weeks 2 – 26 weeks VACCINATION Genetically engineered vaccine is available Active immunization with vaccine cantaining inactive HAV available No vaccine MEDICATION No medication Sometimes medications are used Alpha interferons 2 medications Alpha interferon and Ribavirin  Only 1 for children  For adults, Combination therapy (both drugs are used ) eprepare.org eprepare Academy | 03414874938
DIAGNOSIS: All of these viral hepatitis conditions can be diagnosed and followed through the use of readily available blood tests PREVENTION: In general, to prevent viral hepatitis we should:  Follow good hygiene and avoid crowded,unhealthy living conditions  Take extra care,particularly when drinking and swimming especially areas with poor sanitation and water quality  Wash hands thoroughly after using the toilet and before eatind  Use antiseptic cleansers to clean toilet used by someone in the family who develops hepatitis SOME FEDERAL BOOK POINTS... HEPITITIS D: CAUSE: The only human disease known to be caused by a VIROID is hepatitis D TREATMENT: The hepatitis D viroid can only enter a human liver cell if it is enclosed in a capsid that contains a binding protein. The viroid then enters the blood stream and can be transmitted via blood or serum transfusions SYMPTOMS: As in hepatitis B but more severe TREATMENT AND PREVENTION: Same as HBV eprepare.org eprepare Academy | 03414874938
HERPES:  The herpes simplex virus, also known as HSV, is an infection that causes herpes  The herpes simplex virus is a contagious virus that can be transmitted from person to person through direct contacT TYPES: There are two types of the herpes simplex virus HSV – 1: Primarily causes oral herpes, and is generally responsible for cold sores and fever blisters around the mouth and on the face HSV – 2: Primarily causes genital herpes, and is generally resposible for genital herpes, and is generally responsible for genital herpes outbreaks SYMPTOMS: Herpes can appear in various parts of the body, most commonly on the genitals or mouth region TREATMENT: Doctor may prescribe an antiviral medicine in the form of an oimtment or pills SOME FEDERAL BOOK POINTS...  Herpes simplex is a superficial viral infection  Sores can last from 7 to 10 days  HSV TYPE – 1, is trasmitted primarily through oral secretions (saliva) or physical contact with sores on the skin. It can also be spread by sharing objects such as toothbrushes or eating utensils  A person can only get HSV type 2 infection during sexual contact with someone who has a genital HSV – 2 infection eprepare.org eprepare Academy | 03414874938