UPDATED, 1:31 p.m. Friday: University of Maryland Shock Trauma Center spokeswoman Cindy Rivers said that the six family members had all been released by Wednesday evening. Four members were treated at a hyperbaric chamber, and the other two members came for observation and were discharged. A housemate was also treated at the hyperbaric chamber and has been released. Due to incorrect information intially provided by the Prince George’s Fire/EMS department, the rest of this post has also been updated.