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Background COVI-VACTM is an intra-nasal live-attenuated SARS-COV-2 synthetic viral vaccine being developed for the prevention of COVID-19. COVI-VAC is attenuated through deletion of the furin cleavage site and introduction of 283 silent deoptimizing mutations that maintain viral amino acid sequence but result in significant attenuation due to slow translation in the human host cell. Notably, COVI-VAC includes all viral antigens and is not limited to spike. COVI-VAC has demonstrated attenuation, immunogenicity and single dose protection in both Syrian golden hamster and non-human primate models. Methods 48 healthy young adults were enrolled in an inpatient quarantine setting to one of 3 dose escalating cohorts and randomized to COVI-VAC or saline placebo given as nose drops, as a single 0.5mL dose or 2 doses 28 days apart. Endpoints included solicited and unsolicited adverse events, serum cytokines, viral shedding and sequence stability, mucosal and serum antibody responses and IFN ELISpot. Subjects will be followed for 1 year for late safety events and durability of immune response. Results Dosing is complete. There has been no trend in solicited reactogenicity events, and all unsolicited adverse events reported to date have been mild. There have been no SAEs or Grade 3 or 4 events. Vaccine virus from anonymized subjects was shed at levels lower than that likely to result in onward transmission, and the deoptimized sequence of the shed virus remained unchanged compared to the original vaccine sequence. Unblinded data including immunogenicity will be available prior to the IDWeek meeting. Conclusion COVI-VAC appears safe and well tolerated in healthy young adults. Vaccination resulted in minimal viral shedding without sequence instability. Safety and shedding data supports continued development in a wider Phase 2/3 population. Disclosures Sybil Tasker, MD, MPH, FIDSA, Codagenix Inc (Employee, Shareholder) Daryl Bendel, MD, Codagenix Inc (Scientific Research Study Investigator) Melissa Bevan, MD, Codagenix Inc (Scientific Research Study Investigator) Steffen Mueller, PhD, Codagenix Inc (Board Member, Employee, Shareholder) Anna Kushnir, PHD, Codagenix Inc (Employee) Brandon Londt, PhD, Codagenix Inc (Other Financial or Material Support, contracted lab services) J. Robert Coleman, PhD, Codagenix Inc. (Board Member, Employee, Shareholder)

The current accreditation system existing in community health � CHASP � is concerned with finding ways of ensuring quality of service within community health centres, but falls short of assessing the quality of specific professional areas. A group of speech pathologists accepted an offer to prepare a demonstration document of Speech Pathology standards that could be incorporated into a Professional Accreditation Module. The standards document was presented to the Victorian Department of Health and Community Services with the aim of securing further funding for the completion of the project. Although, verbal feedback indicated in principle support for the development of Professional Accreditation Modules for all community health disciplines, no provision of resources was made to fully develop the project during the 1995-1996 budget. A description of the process of arriving at the draft set of 26 standards is presented and the outcomes and future directions are discussed.

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