out is that these infectious disease outbreaks keep happening as humans keep going further and further into animals' territories. as someone said to me, it's sought so much as ebola entered our world as we entered its world. you can keep up to date on the reporting and follow us along on twitter @dr.sanjaygupta. we're live from ginlny. but right now stay in touch with cnn, the most trusted name in news. you are in the cnn newsroom. i'm in today for don lemon. the two words that sum up the search for flight 370 this weekend optimism but also patience. australia's prime minister is the world leader closest to this mission. he said commanders feel good about the newest clues they're hearing from the ocean floor but warns it could be a long time before we see any concrete results. one group of people whose