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 Spreading
How fast could a virus spread from one part of the world to another? Nearly all of the world's major cities are less than 24 hours apart by air. Thus, it is possible that an outbreak in any of these cities could be spread within a day by infected passengers.

Minimum Flying Time from Nairobi,
Kenya to Selected Cities
Bombay 5 h 55 min
Sidney 16 h 55 min
Hong Kong 14 h 30 min
Rome 19 h 15 min
London 8 h 50 min
Toronto 16 h 35 min
New York City 16 h 30 min
Los Angeles 19 h 40 min
Miami 18 h 10 min
Mexico City 20 h 20 min
Rio de Janeiro 20 h 50 min
Boston 15 h
Chicago 16 h 30 min
Tucson 19 h
San Francisco 18 h 45 min

[ Background Information ] [ What is the Rift Valley? ] [ What is Known? ]
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