World Health Day, April 7, 2021 Posted on April 7, 2021April 7, 2021 by WebmasterHIIRS World Health Day 2021 In honor of World Health Day 2021, the ACSR acknowledges the professionals across the healthcare continuum for their extraordinary efforts to build a fairer, healthier world, especially during these unprecedented times. For more information about how you can build a fairer, healthier world, visit the World Health Organization’s World Health Day page.