What is the difference between the pass issued by Zhangdian District Center for Disease Control and Prevention and the work permit?

Different in nature.

Work permit.

A work permit indicates a person’s certificate of employment in a certain unit. Including provincial, municipal, county and other government agencies and enterprises and institutions, etc., mainly showing that someone works in a certain unit. It is a symbol of a company's image and certification.

Pass.

_A document permitting passage in a specific area.

The reason for the network pass.

Due to the rapid growth of products and services on the Internet today, when the products and services of a website increase to a certain extent, it will be very cumbersome for users to manage the accounts and passwords of so many products, so it is Passport was created, which unified the accounts of its products to facilitate user management.