![Security officials stand guard outside a ward where patients suffering from Congo virus are being treated, at a hospital in Quetta, Pakistan. EPA](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4AFDLYTHZHDHXRO6GZENRIYOBE.jpg?smart=true&auth=d0369ce9b067c511c73987e586cb489bc0f6d67f2a71850ca939dc9a9637b142&width=400&height=225)
Security officials stand guard outside a ward where patients suffering from Congo virus are being treated, at a hospital in Quetta, Pakistan. EPA
Security officials stand guard outside a ward where patients suffering from Congo virus are being treated, at a hospital in Quetta, Pakistan. EPA
State of emergency as deadly Congo fever takes hold in western Pakistan
Officials urgently track down health workers who may have been infected