the intent of this bn is to inform the ACDS associate DM and DM on the latest developments regarding the federal COVID-19 vaccination policy and the implications of the Department of National Defense and the Canadian Armed Forces. Recent modeling suggests that due to the higher transmissibility of the Delta variant of concern and predicted increases in contacts as reopening strategies continue. The fourth wave presents an elevated risk of increased hospitalizations and the potential for healthcare capacity to be exceeded when compared to previous waves of the COVID 19 pandemic and Canada. Public health measures such as shuttering of businesses, school closures, cancellations of non elective surgeries and procedures, wearing of non medical masks, hand washing and social distancing have been effective in flattening the curve of new cases. However, their use has greatly impacted the economy, the general functioning of society, other health issues and children. As a result, these measures are viewed as unsustainable in the long term.