Please DO NOT ingest or inject disinfectants.
It is extremely dangerous to do so, and potentially lethal. This includes (but not limited to) bleach, hand sanitisers, Dettol, Lysol. Always follow the instructions on the product label for appropriate and safe usage.
Instead, these are some basic things that you can easily practice to keep safe during the COVID-19 pandemic
Stay home unless you have to leave the house for essential things
Social distancing
Wash your hands regularly with soap and water, or alcohol based hand rub if you have no access to soap and water
Wear a mask whenever you leave the house
Do not touch your eyes/nose/mouth
Cover your mouth when you sneeze/cough
Boost your immunity
Seek medical attention early if you are unwell
You can refer to gov.sg and WHO website for useful links and resources regarding COVID-19