wildfires roar across the West Coast, and many of them could end up in shelters, raising potential health risks during the coronavirus pandemic.The shelters' impact on public health is “an unusually important and under-researched topic,” said Karl Kim, executive director of the National Disaster Preparedness Training Center, which trains first responders. “People are really scrambling right now to figure out how this affects the guidance and messaging and so forth.”RELATED: 3 more die in California wildfire as state passes 3 million acres burnedLarge disaster response organizations like the American Red Cross are requiring masks and trying to keep evacuees at least 6 feet (2 meters) apart, but it can be difficult for people already reeling.