The safety and effectiveness of vaccines would be remarkable if the basic requirements for storage were always met. The temperature range stipulated for the storage of each type of vaccine should be indicated with distinct symbols on the packaging. The use of universally accepted symbols is mandatory for poisons, inflammable substances and radioactive substances. The use of such symbols would not increase the cost of producing vaccines.
Footnotes
-
For the full text of these letters, go to: www.cmaj.ca/cgi/eletters/180/7/697