In Mexico, reporting practices are moving towards including primary' care in their National Registry', while Slovenia is working closely with Danish experts to modernise and adapt their reporting system. Sweden is currently implementing medical record review in home care settings in combination with a global trigger tool following similar guidelines as to what has already been put in place for adverse event reporting in hospital settings and psychiatric care. In other words, where are the value and the ’best buys' where the benefits outweigh the costs of implementation, the costs of harm, and the opportunity' costs of other priorities?