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Virus Sampling Tube: Essential Tool for Pathogen Collection and Transport
What is a Virus Sampling Tube?
A virus sampling tube is a sterile, leak-proof container pre-filled with Viral Transport Medium (VTM) or Universal Transport Medium (UTM). It is used to:
✔ Preserve viral RNA/DNA integrity
✔ Prevent sample degradation
✔ Ensure safe transport to laboratories
Key Components:
- Transport Medium – Maintains virus viability (e.g., Hank’s Balanced Salt Solution with antibiotics & antifungals)
- Leak-Proof Cap – Prevents contamination and spillage
- Breakable Swab Handle – Allows easy insertion into the tube
- Labeling Area – For patient ID and tracking
Types of Virus Sampling Tubes
| Type | Medium Used | Best For |
|---|---|---|
| VTM (Viral Transport Medium) | Protein-based (e.g., bovine serum albumin) | General virus preservation |
| UTM (Universal Transport Medium) | Synthetic, protein-free | PCR, DNA/RNA testing |
| Inactivated Virus Tubes | Lysis buffer | Immediate virus inactivatio |
1. Medical Diagnostics
COVID-19 testing (Nasopharyngeal/oropharyngeal swabs)
Influenza & RSV detection
STI testing (HPV, herpes simplex virus)
2. Research & Surveillance
Epidemiological studies
Viral genome sequencing
3. Industrial & Travel Use
Workplace screening
Airport/quarantine testing
How to Use a Virus Sampling Tube?
- Collect sample (throat/nasal swab)
- Break swab handle and place it in the tube
- Secure the cap and label properly
- Store at 2-8°C (or -70°C for long-term storage)
Conclusion
Virus sampling tubes are critical for accurate pathogen detection in diagnostics and research. Choosing the right type (VTM, UTM, or inactivated) ensures sample stability and reliable test results.
