Use your hospital login information (username and password) to

enter adverse transfusion reaction information directly into the ON-TTISS. Watch our training videos for “how to enter the data”.

database using the  electronic Canadian Transfusion Event Reporting Form (CTAERF), using the user’s manual.



Alternatively, you can fill out a paper CTAERF and FAX to 905-524-2983 (Attention: TTISS-ON).


To retrieve reports or as an alternative entry method if there are problems with the form, go to the TTISS-ON REDCap Database to enter data.