"We are in a post-antibiotic era," World Health Organization chief Margaret Chan declared earlier this year.

Her warning echoed a recent report that found antimicrobial resistance was responsible for more than 700,000 deaths worldwide in 2014 alone and could kill more than 10 million people each year by 2050.

Despite the warnings, antibiotic use in humans and livestock continues to grow in many countries. Scientists say misuse and overuse of the drugs are two of the main contributors to resistance.

In this week's Reality Check, Mehdi Hasan highlights the real threat of antimicrobial resistance.

Video of Margaret Chan, director of the WHO, speaking about antibiotic resistance courtesy of the Center for Global Development

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Source: Al Jazeera