The fundamentals of infection prevention control have always been there; that's existing. Precautions, that's already well published. Managing viruses, such as coronavirus that spreads through the respiratory droplet route.... All that was available.
However, with the experience that was fundamental at the long-term care homes, a specific guidance hadn't existed at that time. It was a broader foundational guidance. We took the opportunity to get experts who have managed these situations to develop a guidance because it was going to be very helpful.
We also incorporated new evidence on the presymptomatic and asymptomatic transmission, which resulted in the recommendation of masking and personal protection equipment for the whole shift, which was also new at the time. The timing was to coincide with the evolving evidence as well.