Why is Health Cloud being sued?

According to the related information query, it shows that the detection information of healthy cloud is wrong. Some citizens were negative in the "healthy cloud" nucleic acid test results, and then received a phone call from the CDC saying that the test results were positive and needed to cooperate with the epidemiological investigation. "Health Cloud" refers to providing hospital management and resident health record management application services for all hospitals and related medical institutions in the area where the cloud computing industry base is located in the form of SaaS (software as a service).