Contact tracing could be key in halting the spread of hantavirus. Here's how it works
More than two dozen passengers left the cruise ship before the outbreak was identified. The race is on to connect with them to monitor their health — and the health of those they've interacted with.
More than two dozen passengers left the cruise ship before the outbreak was identified. The race is on to connect with them to monitor their health — and the health of those they've interacted with.
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