TY - BOOK AU - Hala Nader Fahmy AU - Elsayed Tarek Abdelsalam , AU - Gihan Mohammed Elmoghazy , TI - Reconnaissance studies on Norwalk virus in some food categories and water and its effect on patients / PY - 2013/// CY - Cairo : PB - Hala Nader Fahmy , KW - Food KW - Norovirus KW - Seasons N1 - Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Botany Microbiology; Issued also as CD N2 - In a study to estimate the incidence of Norovirus in food, Irrigation water, water from fishery farms in Egypt,12 shellfish samples, 21 fish samples, 21 water samples and 16 raw leafy vegetable samples were analyzed using three different primer sets during summer and winter seasons after RNA extraction using Reverse Transcriptase Polymerase chain reaction (RT-PCR). Result illustrated that; the virus could not be detected in summer season in all tested samples UR - http://172.23.153.220/th.pdf ER -