What is contact tracing and why is it important in the fight against COVID-19?

"I created this portal accessible for everyone, who is looking for medical advice or help. Our blog about mental and physical diseases explained with simple words created to promote medical information in public, let people know how to behave in case of illness to protect himself and surroundings. My goal as doctor is to provide everyone who do not have money for real doctor visit with free and up-to-date medical information and support" - Dr. Monica, creator and owner of mobilehalthdata.com.