Write the next sentence in the following story.

How to protect children from infectious diseases
Keep hands clean.
It is the most basic and effective way of maintaining a basic hygiene level. If your child is old enough to wash his/her hands on his/her own, then teach them the appropriate way of doing so.
If not, you need to ensure you wash your child's hand frequently. Keeping your infant's hands clean at all times cuts down the chances of him/her developing an infection.