How does big data discover secret connections?

China Electric Power Group has established a big data platform for risk groups and close contact with measuring instruments. You can know if you are a close contact by entering your name and ID card. Some enterprises have developed infrared measuring equipment combined with artificial intelligence, which can quickly identify patients with fever. Internet companies have developed artificial intelligence-aided diagnosis methods, which improve the diagnosis efficiency. In general, big data technology has played a particularly positive role in fighting the epidemic.

According to the epidemiological investigation of confirmed cases, suspected cases or asymptomatic infected persons, the investigation scope is usually 5 days before the symptoms of confirmed cases and suspected cases appear, or 5 days before the samples of asymptomatic infected persons are collected, which will be determined according to the following principles:

1. Family members sharing a room; Direct caregivers or people who provide medical and nursing services.

2. Medical personnel who may produce aerosol in the same space.

3. In offices, workshops, shifts, elevators, canteens, classrooms and other places that have close contact with people.

4. Persons who dine, entertain and provide catering and entertainment services in a closed environment.

5 medical personnel, family members or other close contacts to visit the case.

6. People who ride in the same vehicle and have close contact (within 1m), including nursing staff and peers (family, colleagues, friends, etc.). ).) On the vehicle.

7. Attention should be paid to people exposed to the environment and articles contaminated by cases or asymptomatic infected people.

8. On-site investigators assess whether others meet the criteria for judging close contacts.