NEW YORK (AP) — U.S. health officials are recommending that people who are at highest risk for coming down with Ebola avoid commercial travel or attending large public gatherings, even if they have no symptoms. The CDC guidance comes after the governors of New York and New Jersey announced mandatory quarantines for medical workers returning from three West African countries plagued by the worst Ebola outbreak in world history. For those with some risk, like who lived in a household with an Ebola patient but didn't have direct contact, travel restriction can be decided on a case-by-case basis, government officials said. Policy debates about Ebola patients escalated late last week, when Dr.