How do I wash my hands properly?
Below is a step-by-step guide on how to remove all traces of the virus on your hands by
proper handwashing technique.
Step 1: Wet hands with running water
Step 2: Apply enough soap to cover wet hands
Step 3: Scrub all surfaces of the hands – including the back of hands, between fingers, under nails and wrists – for at least 20 seconds.
Step 4: Rinse thoroughly with running water
Step 5: Dry your hands
How long should I wash my hands?
You should wash your hands for at least 20 seconds.
The same goes for hand sanitizer: use a sanitizer that contains at least 70% alcohol and rub it into your hands for at least 20 seconds to ensure full coverage.
Reference Link: https://www.stuff.co.nz/national/health/coronavirus/120148084/coronavirus-heres-the-science-of-why-soap-and-water-is-better-than-hand-sanitiser