1. The Norovirus
Semira Said

2. Classification Scientific Name: Viral Gastroentervirus or Calicivirus
Family: Caliciviridae
Previously called “Norwalk-like Virus”
1968 outbreak in Norwalk, Ohio
It is a positive-sense single stranded RNA virus.
Icosahedral
9 protein coding genes (very simple)
Capsid: nm in diameter

4. Never heard of it. Think again.
The Norovirus is also known as the classic...
Stomach Flu

6. Transmission 10-100 Noroviruses to create an effect
Humans are the only known hosts, but studies show that it may be possible for animals to be as well.
Finland study shows that dogs can carry human strains of the virus and pass it on to human owners.
Affects: The Digestive System
Specifically the stomach and intestines
Airborne
Fecal-Oral Route
Rubbing eyes, touching contaminated objects

7. Disease It Causes Viral Gastroenteritis Gastric Flu Stomach Flu
Stomach Bug
Winter Bug
Leading cause for food poisoning

8. Symptoms Stomach Flu Diarrhea Stomach cramps Nausea Vomiting Fever
Weight loss
Joint Aches
Muscle Aches
Food Poisoning
Diarrhea or Constipation
Stomach cramps
Fatigue
Chills
Fever
Headaches
Sweating
Thirst
General Malaise
Muscle Aches
Incubation:
24-48 Hours
Incubation:
4-6 Hours
Severe Cases: (Food Poisoning)
Bloody Stool/Vomit
Severe cramping
Shock
Unconsciousness

9. Treatment of Infection
No specific treatment
Don't need to visit a GP because your body will naturally fight it.
Generally 3 days-2 weeks
depends
Can take a paracetamol such as Tylenol to help with the pain
Drink lots of fluids; keep hydrated

10. Disinfect surfaces or objects that could be contaminated
Wash hands thoroughly
hand sanitizers not effective
Don't share towels
Disinfect surfaces or objects that could be contaminated
Wash fruits and vegetables before eating
Cook meats thoroughly
can survive at 140 F

11. Epidemiology It is very common, highly contagious.
Can get it any time of the year
most common: winter
There are about million cases per year (CDCP).
deaths annually (mostly young and elderly)
In 2002 and 2006, there was a norovirus epidemic, which killed over 600 people in total.

12. Bibliography
"ViralZone: Norovirus." ViralZone: Norovirus. N.p., n.d. Web. 13 Nov
"Norovirus Infection." Causes and Symptoms of. N.p., n.d. Web. 10 Nov