How is Norovirus transmitted?

There are actually many ways of transmission of Norovirus, such as food contamination, vomit and feces contamination, plus direct contact with infected people, especially when caring for patients and eating with patients, which can easily cause infection.

1. Food can be contaminated directly by contaminated hands , vomitus, or feces-contaminated surfaces, or by small droplets of vomitus from nearby areas. Although viruses are difficult to reproduce outside the human body, they can cause illness once they are present in food or water.

2. Some foods may be contaminated before being delivered to restaurants or stores . Some outbreaks have resulted from eating oysters caught from contaminated water. Other products such as salads and frozen fruit may also be contaminated at source.

3. Eating food or drinking beverages contaminated with Norovirus; because the virus is very small and ingesting less than 100 viruses can make people sick. Touching an object or surface contaminated with norovirus and then touching your hands to your mouth.

4. Direct contact with an infected person , such as caring for a patient, dining with a patient, or using the same tableware can also cause transmission. Direct contact with an infected person (such as caring for a sick person, eating with a sick person, or using the same eating utensils as the sick person).