(CNN) Despite a massive international effort, several treatments that once held great hope for fighting Ebola have turned out not to work against the dreaded virus that killed more than 11,000 people.
The "harvest of that massive effort is thin," writers in the journal, Science, recently commented.
But researchers are looking into some other options, with more studies coming out just in the past week. Here's where various Ebola treatments stand, both the losers and those still up for consideration.
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Studies show these three treatments don't seem to work: