Could dry swabs provide cheaper, safer and faster material for SARS-CoV-2 testing?
Video Stok Analyzing a Swab with Blood (100% Tanpa Royalti) 1007985982 | Shutterstock
Crime Scene Investigation CSI Forensic Collecting Blood Sample Evidence on Buccal Swab into Test Tube - Police, Evidence or Stock Image - Image of concept, investigation: 162255397
File:Culture swab with blood.jpg - Wikimedia Commons
A) Cat's blood on the bed; (B) positive result for blood in the swab. | Download Scientific Diagram