Contact tracing which is the process of identification of persons who may have come into contact with an infected person is believed to be the best way to prevent the spread of the novel coronavirus until there’s a vaccine. But it can be effective only if testing is fast suggested a study recently published in The Lancet Public Health journal. The study authors concluded that reducing the time between a person developing symptoms and receiving a test result is important for improving contact tracing effectiveness. This calls for a rapid testing method to identify COVID-19 patients. Here is the good