A virologist on Covid 19…
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Reporter: Some of the most common questions about the virus begin with “How long…?”
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| We don't know... |
Dr Fei Fei: Right. There is the question of how long is it contagious in the air, and how long will this pandemic last.
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Reporter: So when someone coughs or sneezes, how long does the virus stay active on a surface?
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Dr Fei Fei: On plastic or stainless steel, it could still be detectable after a couple of days. On cardboard a day.
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Reporter: And how long do you think before we can go back to normal life?
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Dr Fei Fei: That’s hard. It’s a new virus. It’s not the same as the flu, it’s not the same as SARS. It will pass, but we don’t when. Best guess is it will last months and just maybe next year it will have died down.
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Reporter: About the time when a vaccine is readied?
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Voice-over
Numbers add up to pictures and predictions. It’s complicated. Cases per million of population: Japan: 7, Italy: 600. Case fatality rate: average 2% (but higher in elderly and people with underlying health conditions: 10-30%). Country by country, case by case.
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