A positive initial test means that the first test for a certain disease shows a positive result, which means that the body may be infected with a certain disease. Positive initial screening is only a high degree of suspicion, can not be fully diagnosed whether the infection of a certain disease, but also should go to the hospital for review, that is, re-examination, combined with clinical symptoms, to determine whether the infection of a certain disease. If the re-test result is still positive, basically can confirm the diagnosis of infection; if the initial screening positive re-test result is negative, the body does not have any uncomfortable symptoms, generally can rule out the possibility of infection. If the result is positive, you don’t need to panic too much, you should go to the hospital as soon as possible for the appropriate review, according to the review results and personal symptoms, follow the doctor’s instructions to take the appropriate therapeutic interventions.