In the past week, the number of emergency and fever outpatient visits at the four major pediatric hospitals in Shanghai has increased month-on-month. Hospital clinical tests show that although the proportion of mycoplasma infections has declined in the past two days, it is still the mainstream; while influenza A and B infections are on the rise. Many parents are worried about the cross-infection that might happen in the hospital. So online shopping of self-test kits is getting popular. But are the test results of these self-test boxes accurate? Let’s find out.