Sterile Nylon flocked swabs - Nasal are used to collect nasal samples for respiratory infections like Covid-19. The swabs are sterilized and invdividually wrapped. These nylon swabs also come with a breakpoint. These swabs can be used dipped in the viral transport media after collecting the patient sample, and then transported to the laboratory for further analysis.
Viral transport media needs to be bought separately, or you may directly buy a kit containing both nylon flocked swabs and viral transport media in a tube. Also, there is a separate swab for collecting throat / oral samples which can be bought here.