Table 2.

Identified advantages and challenges, during our mass staff screen

Advantages	Challenges
• Epidemiology outbreak investigation - determining the most likely source.  • Protect the health, safety and welfare of patients, HCWs and their families.  • Raises awareness among HCWs.  • Improves knowledge.  • Improves infection control compliance among HCWs.	• Testing cost. • Time and operational cost for related departments. • Fear of stigmatisation if confidentiality and anonymity protection fails. • Psychological pressure and qualms of conscience among HCWs. • Easeless, anxiety for family safety.