Covid-19 has several tests from PCR testing , LAMP etc. for example Loop-mediated Isothermal Amplification testing process produces many more viral RNA copies at a constant temperature instead of heating and cooling so can have a result much quicker , A swab is used to take samples from the nose or throat, or mucus from hard coughing can also be used. The swabbing does not need to be as vigorous. vials of reagents (substances that produce a chemical reaction to detect the RNA and heating is done for about half an hour. which is the most common covid-19 test in your country ?