If the tomatoes test positive, then it means that the tomatoes are infected with some kind of pathogen. It is possible that a positive tomato test may indicate that the tomatoes have been tested for pathogens such as the New Crown Virus or bacteria or parasites when the tomatoes were tested for hygienic food aspects. If the tomatoes test positive, then the quality of the tomatoes is not up to scratch, and proper sterilization is recommended to prevent them from entering the market and infecting the population leading to related food hygiene and health problems. During the current epidemic, the New Coronavirus can be transmitted through many items, such as frozen products, seafood products, fruit products, etc., which may carry the New Coronavirus for transmission, and therefore need to be closely monitored.