Hank’s Balanced Salt Solution: Helps in Stabilizing the virus. Buffer along with Phenol Red: pH stabilizer and indicator of preservation state. Cryptoprotectant: Preserves viruses when specimens are frozen for long storage. Antibiotics: To prevent growth of Bacteria and Fungus. Nylon flocked swabs that optimize specimen collection and elution into transport media. Oral swabs available with 2 breakpoints for ease of usage ICMR approved Made in India Pack size: 50 tubes. Each tube is available with 2 swabs for nasopharyngeal and oropharyngeal specimens