—which has saved many, many lives from blood loss, and the use of a concentrated powder substance called QuikClot; and now, a better clotting gauze that doesn't produce a chemical burn, but that can be inserted into areas where bleeding cannot be stopped by compression because of the depth or the extent. Both the QuikClot and the gauze are extremely effective in stopping the bleeding. That has saved many, many lives, and we know that for sure from the analysis
In addition, there's additional training provided to the tactical combat casualty care people who get first-aiders, but with a very advanced, battlefield, traumatic-injury-focused training.
As far as vaccination goes, by Canadian law anyone can decline vaccination. However, should they decline vaccination, then in most cases they would be deemed to be incompatible with military service, so administrative measures would be taken to have them released from the armed forces, or certainly not to deploy. It's not only for the individual's protection. If the individual fulfils a specific function in certain deployed operational settings, and if that individual unnecessarily falls ill, then not only is that individual's life at risk, but he is now placing all of the lives in the whole unit at risk.
As far as access to a medical file goes, yes, people can have either informal or formal access to their medical files, either through a request to their local clinic of through the access to information process, whereby they can get a complete copy of their file.