Even after a vaccine is developed, the coronavirus is likely to remain with us for years. That means researchers must pursue efforts to find a cure for those who still fall sick. 

Viruses are tricky to fight, and prevention with vaccines has been far more successful than treatment with drugs. In fact, modern medicine has come up with a true cure for only one viral infection. For many serious infections, the best approaches are a cocktail of drugs that throw speed bumps in front of the infection. Michelle Fay Cortez reports that the best solution for fighting viruses is often letting our own bodies attack them.

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