This was contrary to the manufacturers' recommendations. In relation to the vaccine for mumps (mumpsvax), the manufacturer recommends that the vaccine ...
www.gmc-uk.org/concerns/decisions/search_database/ftp_panel...

Miniature decoration lights (i.e. Christmas lights, novelty lights) cannot be used as an on-going light source, cannot be attached to room fixtures using metal fasteners (white adhesive putty is recommended) or used in any other manner contrary to manufacturers' recommendations.
www.susquehanna.edu/student_handbook/standards.htm