 There are several methods of collecting a respiratory sample, depending on requirements of the laboratory that will test the sample.A sample may be obtained from around the nose simply by wiping with a dry cotton swab.Infectious diseases causing ILI include RSV, malaria, acute HIV/AIDS infection, herpes, hepatitis C, Lyme disease, rabies, myocarditis, Q fever, dengue fever, poliomyelitis, pneumonia, measles, SARS, COVID-19, and many others.