First of all, don't panic. Panicking never helps or solves anything. COVID-19 spreads easily, but with proper treatments, it can be cured.
This is the first and the most important step; isolate yourself. You should get a dedicated "sick room" in your house where only you are allowed in, no one else. Wear a face mask at all times, and ask your family members to talk to you through the phone to reduce physical contact.
Good hygiene practice is a must, so always make sure to keep your hands clean. Wash them for at least 20 seconds with soap or use an alcohol-based sanitiser. And try your best to avoid touching your face with unwashed hands.
Monitor Your Symptoms
- Dry cough
Do not let your family members handle anything that was used by you, as they can be contaminated with the virus. The food can be left on a table at your door, so the contact with your family members can be minimised as much as possible. It's better if they can use disposable plates, cups and utensils to serve your food/drinks, so they can be thrown away after using. The same should be done for the used tissues.
A separate bathroom for the infected is the better option, but in a shared bathroom situation, make sure to sanitise every element in it after using. Or try to set up a temporary one until the situation is handled.
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If the symptoms seem to escalate, call 1990. The SuwaSariya ambulance will show up at your door in no time, and please know that they're specifically advised on how to handle COVID-19 suspected cases, and where to take them. That way, you won't have to risk contaminating your personal vehicle or family, or waste your time on the road without knowing which hospital you should go to.