(IFL Science) The second worst Ebola outbreak ever is currently rife in the Democratic Republic of Congo (DRC). As of April 16, the World Health Organization (WHO) reports a total of 1,290 cases and 833 deaths.

But the WHO also has some good news at this trying time – an experimental Ebola vaccine given to those at risk is 97.5 percent effective, meaning that it’s likely saved thousands of lives.

The WHO recently released a preliminary analysis of data from between May 1, 2018, and March 25, 2019, describing the effectiveness of the vaccine, which is called the rVSV-ZEBOV-GP Ebola vaccine. They are working on a more comprehensive report that will be published in a peer-reviewed journal at a later date.

So far, the vaccine has be

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