Germs are easily transferred to objects like toys, smart phones, laptops and handrails. That means that anyone who hasn’t washed their hands properly can potentially contaminate anything they touch.
See this article on the importance in washing hands: article!
When it's time, get the vaccination
One type of the vaccine is 2 rounds, and after the second round, you are supposed to have 95% immunity to COVID-19
Avoid touching areas that many other people have touched
If you are in a crowded area and are touching many people, that is spreading germs and allows COVID to spread quickly