The Manx government has ‘adequate preparation in place’ to protect the population against biological attack.
But Chief Minister Allan Bell refused to give details on what vaccines or other equipment it has ‘in view of the security implications’.
Mr Bell was answering a Tynwald question tabled for written answer by Onchan MHK Zac Hall.
He said the island had established planning mechanisms to deal with major emergencies including terrorist attacks.
The current approach to planning for emergencies is ‘all hazards approach’.
Government departments keep in close contact with counterparts in the UK to obtain intelligence with regard to biological attack.
And it ensures there are ‘adequate facilities’ to deal with attacks based on ‘current and dynamic threat and risk assessment’.
He said: ‘In view of the security implications it would not be appropriate to make public the full details of the vaccines or other equipment we hold or we can access at short notice.
‘We have adequate preparation in place and we continually monitor the situation across the globe and make appropriate changes to our plans to accommodate the changing situation.’