Coronavirus testing: How much progress has been made, how much left to do?

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As the NBC News series “Search for Solutions” continues, senior national correspondent Kate Snow reports on the status of coronavirus testing in America. Experts say it is key to getting out of lockdown, but there are not enough tests in the world to meet demand, says one expert. Snow also updates TODAY on the condition of her husband Chris, who is “pretty sick” with an undiagnosed case of coronavirus.