In light of yesterday’s confirmed case of coronavirus in Canary Warf, wealth management firms have been forced to evaluate – and in some cases implement – emergency contingency plans on the basis that offices may have to be evacuated, should one of their staff members fall ill.

Apart from the immediate risk, firms are also dealing with the longer-term prospect that many people may fall ill at the same time.

Spokespeople for most larger banks – including UBS, Credit Suisse, JP Morgan, Societe G...