TRANSMISSION OF COVID - 19 THROUGH PHYSICAL CONTACT FROM HUMAN TO OTHER HUMANS THE SPREAD OF COVID - 19 HAS BECOME SO FAST. THIS CREATES A SYSTEM THAT CAN DIAGNOSE EARLY SYMPTOMS OF COVID - 19 USING AN EXPERT SYSTEM. THIS STUDY AIMS TO DEVELOP A SYSTEM THAT CAN DIAGNOSE EARLY SYMPTOMS OF COVID-19 USING THE FORWARD CHAINING METHOD. THE DIAGNOSIS PROCESS IS CARRIED OUT BY OBTAINING SYMPTOM DATA F…