It’s unclear how the supplies are apportioned and why states in the region aren’t getting all of what they’re requesting. ProPublica reported last month that the U.S. Department of Health and Human Services told states it is giving out 25% of the stockpile to states according to population size, and sending another 25% strategically to states with the most severe outbreaks. ProPublica reported HHS said the remaining 50% will be held in “strategic reserve,” to be used if there’s a huge spike of critical needs around the country.