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Moderna Therapeutics entered phase 2 of its clinical trials at breakneck speed and may be on its way to accomplishing an unprecedented mission: licensing the first mRNA vaccine for human use. Here's how mRNA vaccines work.
The coronavirus pandemic has left many migrant workers without jobs or food. As they begin to return home, rural India faces a wave of extreme poverty: "The rural crisis ... is due in the next few weeks, and it might be catastrophic."