How Do I Choose the Right Influenza Test Kit for Me The most common and fastest type of flu test is called a rapid influenza diagnostic test (RIDT).

Flu a and b test: the new crown epidemic in the United States may be underestimated or re-emerged. Recently, the new crown epidemic in the United States seems to be in a plateau, but epidemiologists said that factors such as incomplete epidemic data statistics may seriously underestimate indicators such as the number of daily confirmed cases in the United States.