WHO: 500 Syrian patients show symptoms pointing to toxic weapons exposure General Info Provider Reuters Geography Syrian Arab Republic (SYR) Dimashq Coverage type Subnational Time period covered April, 2018 - April, 2018 Data type Event data Keywords Intentional injuries, Mortality, State actor violence Citation Contributors Reuters Publisher Reuters Publication year 2019 Suggested citation Nebehay S. 500 Syrian patients show symptoms pointing to toxic weapons exposure. Reuters [Internet]. 2018, Apr 11.