Â鶹¹û¶³´«Ã½

• Before and after administering first aid
• After removing disposable gloves
• Before preparing food, before and after eating
• After using the restroom
• When hands are visibly dirty or after contact with contaminated body fluids (blood, saliva, vomit, feces, urine, semen, menstrual flow, wound drainage/dressings, nasal discharge, etc.)
• After touching or caring for students, especially those with nose, mouth or other discharges

Symptoms of acute Hepatitis B, if they appear, can include:

• Fever
• Fatigue
• Loss of appetite
• Nausea
• Vomiting
• Abdominal pain
• Dark urine
• Clay-colored bowel movements
• Joint pain
• Jaundice (yellow color in the skin or the eyes)

On average, symptoms appear 90 days (or 3 months) after exposure, but they can appear any time between 6 weeks and 6 months after exposure.

• Serious diseases caused by a virus that attacks the liver that can cause cirrhosis (scarring), liver cancer,  liver failure, and death
• Infection is through infected blood, sexual contact, sharing needles, syringes, drug-injection equipment, unsterile equipment, razors or toothbrushes.  The virus can live on surfaces for several weeks.
• A vaccine is available to prevent infection of Hepatitis B.
• There is no vaccine for HIV/AIDS or Hepatitis C.
• Both Hepatitis B and Hepatitis C can remain dormant and asymptomatic for many years in yo

• An infectious agent that invades and disables a person’s immune system.
• Infection is through HIV‑infected blood , infectious body fluids such as semen and vaginal fluid, or injection drug use (sharing of contaminated syringes)
• There is no cure for HIV infection.
• Many people who are HIV-positive do not have any symptoms of HIV infection for many years