Older adults are more at risk for serious sickness from COVID 19 because of their basic therapeutic conditions. Study aim: to determine the effect of health education program about covid 19 on older adults' knowledge, practice and perception. Subjects & method: Quasi-experimental design was used. Settings: the study was conducted at Assiut city older adults clubs (The Legitimacy Assembly elderly club and the Islamic Cultural Center elderly club). The program was conducted on the participants who agreed to participate in the study; their number was 50 older adults. Tools: Three tools were utilized. Tool I: Structured interview schedule: It include sociodemographic characteristics as age, sex residence, etc. Tool II: Knowledge and practices related to coronavirus pandemic. Tool III: Brief Illness Perception Questionnaire BIP-Q. Results: score of good knowledge level increased from 34.0% in pre-test to 82.0% in post-test & poor knowledge level decreased from 42.0% in pretest to 8.0% in the posttest. Also, there was a significant upgrade in the knowledge level of the studied sample as there was a statistically significant difference between pretest, & posttest P-value= 0.000. Conclusion: The present study concluded that: older adults aged ≥70 years had poor knowledge level about covid 19 than elderly aged 60-69 years old; also there was significant positive upgrade among the older adults participants regarding their knowledge and practice about novel corona virus. Recommendations: Frequent health education programs, especially focusing on lower information more seasoned adults' people with respect to covid 19, are basic for empowering their positive state of mind and keep up secure practices.