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How to Prevent Disease Transmission

Instructor: Artem Cheprasov

Artem has a doctor of veterinary medicine degree.

In this lesson, you will learn about many of the ways by which you can help prevent the transmission of potentially deadly diseases at home, at work, or in school.

How to Prevent Disease Transmission

How do we stop someone from passing on a transmissible disease? Well, the best way would be to ensure they don't get sick in the first place. Good food and good exercise can go a long way towards this goal. However, that may not be enough.

Let's follow along with little Timmy and Sally as they show us how to prevent disease transmission.

Vaccination

A couple of months ago Timmy was taken to the doctor to get vaccinated against the flu. Vaccination helps stop the spread of germs. See, if his classmate Sally gets sick with the same kind of flu, Timmy's body will now be ready to fight off the infection thanks to the vaccination. Because of this, he won't get sick with the flu, and this helps prevent the flu from spreading any further.

What the Sick Can Do

Now, Sally has to do her part in order to prevent disease transmission as well. For not all her classmates have been vaccinated like Timmy. Sally should stay home when she's sick so she doesn't spread her germs around. If she does go to school she should avoid getting too close to other people as this helps germs move from one person to another.

When Sally has a really big urge to cough or sneeze, she needs to cover her mouth and nose. After she does this, she needs to go wash her hands so she doesn't spread all those germs to other people as she touches them or objects they may touch later, like a desk or pencil. Ideally, she should sneeze into a tissue or into the crook of her arm, so that her hands do not get covered with germs.

What the Healthy Should Do

Sally's classmates should play their part too. If they see she is sick, they need to avoid touching their hands to their eyes, nose, or mouth. That's because their hands may have come into contact with something around them that may be contaminated with Sally's germs. Those germs use the tissue found in and around the eyes, nose, and mouth to infect us. That's why we need to keep them away from those areas!

Sally's teachers need to disinfect objects and surfaces that may be contaminated by germs as well. In a school setting, this may include the likes of desks, toys, pencils, and so on. Disinfection refers to the killing of most, but not all, germs by chemical substances. If we kill them before we touch them, they can't hurt us!

Other Scenarios

Of course, the example just given doesn't apply solely to a school setting. It applies to the workplace and home as well. But these are not the only ways by which we can help prevent disease transmission. Special consideration needs to be given for other settings. For instance, when cooking at home, you must ensure you wash and cook everything very thoroughly to get rid of dangerous microorganisms.

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