Comparison of Home Antigen Testing With RT-PCR and Viral Culture During the Course of SARS-CoV-2 Infection
If you have Covid-19 symptoms but test negative with a rapid antigen test, you should test again 1-2 days later, or on day four of feeling crook, new research suggests. A study out of the United States, conducted between January-May 2021 and published in JAMA Internal Medicine on Saturday, compared the PCR and RAT results of 225 children