Acknowledgement The Editors of the Journal of High Institute of Public Health express their thanks to all Reviewers in 2022 for the time they committed and the valuable input they provided, thus helping to guarantee the scientific quality of the Journal. Reviewers in alphabetical order: Afaf Ibrahim, Prof. of Community Medicine,  Alexandria University, Egypt Aly Hasab, Prof. of Epidemiology,  Alexandria University, Egypt Dalia Tayel, Prof. of Nutrition, Alexandria University, Egypt Doaa Tawfik, Dr. of Nutrition, Alexandria University, Egypt Ebtesam Fetouhy, Prof. of Health Education and Behavioral Sciences, Alexandria University, Egypt Eman Darwish, Prof. of Community Medicine, Alexandria University, Egypt Fikrat Elsahn, Prof. of Nutrition, Alexandria University, Egypt Gehan Raafat, Prof. of Environmental Health, Alexandria University, Egypt Hany Elziady, Prof. of Community Medicine, Alexandria University, Egypt Heba Mamdouh, Dr. of Maternal and Child Health, Alexandria University, Egypt Hoda Zaki, Prof. of Hospital Management, Alexandria University, Egypt Iman Wahdan, Prof. of Epidemiology, Alexandria University, Egypt Manal Koura, Prof. of Primary Health Care, Alexandria University, Egypt Medhat Attia, Prof. of Mental Health, Alexandria University, Egypt Mohey Makhlouf, Prof. of Geriatrics, Alexandria University, Egypt Mona Hashish, Prof. of Microbiology, Alexandria University, Egypt Mona Hassan, Prof. of Biostatistics, Alexandria University, Egypt Mostafa Abolfotoh, Prof. of Family and Community Medicine, King Saud Bin-Abdulaziz University, KSA Nadia Farghaly, Prof. of Community Medicine, Alexandria University, Egypt Neveen Agamy, Prof. of Food Analysis, Alexandria University, Egypt Reem Abdelhamid, Prof. of Environmental Health, Alexandria University, Egypt Wafaa Bakr, Prof. of Microbiology, Alexandria University, Egypt Wafaa Waheeb, Prof. of Hospital Management, Alexandria University, Egypt