tests with proven value in diagnosis of covid19

Covid-19 has literally ravaged the entire world. people from all walks of life are badly affected because of compulsorylockdown around the world. timely diagnosis is a problem as there is no single test that can achieve the highest acceptablesensitivity. some of the tests are indeed costly and footing the bill by the governments can cause a tremendous load on thetreasury. as it stands, the current tests are beyond patient means and, thus, the patient would never have it performed. lastly,there is no consensus as to whether everyone should be tested for covid-19 and not based on presence of clinical features.unfortunately, since the disease has been declared a pandemic, all should be considered to be infected unless provenotherwiseby the tests that are performed.