How to identify possible chemical or biological terrorist attacks

Under what circumstances may a chemical or biological terrorist attack occur? The Anti-Terrorism Bureau of the Ministry of Public Security issued the "Citizens' Handbook for Preventing Terrorist Attacks" to give answers.

A chemical terrorist attack may have occurred: unusual smells, such as garlic, spicy, bitter almond, etc .; unusual phenomena, such as a large number of insect deaths, unusual smoke, unusual changes in plants, etc .; unusual feelings, general conditions When people are attacked by chemical poisons or chemical poisons, they will experience different degrees of discomfort, such as nausea, chest tightness, convulsions, rashes, etc .; abnormal items appear on the scene, such as abandoned gas masks, barrels, cans, and liquid Plastic bags, etc.

A possible bioterrorist attack: Unknown powder or liquid, abandoned containers and masks, a large number of insects were found in the incident area; 48 hours to 72 hours after the microbial terrorist attack or a few minutes to several hours of the toxin terrorist attack, a large-scale Personnel casualties; a large number of identical clinical cases in the field personnel, a disease with no or extremely rare abnormalities in a geographical area; abnormal epidemics in non-endemic areas; patients distributed along the wind direction, and a large number of animal cases occurred at the same time.