Word: spreading
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Dates: during 2000-2009
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...officials react to what's already happened. The best laboratory in which to study the flu virus is the human population itself. "If we get reports of a more severe infection with higher mortality rates, we can map the changes that made the virus more severe and monitor its spread. That could help health officials formulate policies," says Hay of the World Influenza Center, one of four laboratories at the hub of the WHO's global surveillance program. "But we're always playing catch-up with flu. It's impossible to stay ahead of this virus...
Even without any significant mutations, H1N1 has so far behaved in confounding ways. The virus spread widely in Britain during the summer, but not in other European countries. No one knows why. Mexico reported a sharp increase in cases in late July after health officials there suspected that the virus had begun petering out with the onset of the hot summer months. And then there is emerging evidence that some patients present without fever, making diagnosing H1N1 harder...
Some medical professionals question the value of such stringent measures. This late in a pandemic, they say, the spread of H1N1 is inevitable. "They are not effective at all in my opinion," says Dr. Lo Wing-lok, a Hong Kong?based infectious-disease expert. "By picking up these few cases, there isn't any real impact in control of the flu." Hugh Pennington, a microbiologist at the University of Aberdeen, puts it more bluntly: "We are already in a pandemic. There's no containment option now." (See the 5 things you need to know about swine...
...reports of a more severe infection with higher mortality rates, we can map the changes that made the virus more severe and monitor its spread. That could help health officials formulate policies," says Hay. "But we are always playing catch-up with flu. It's impossible to stay ahead of this virus...
...protests came July 30, when thousands turned out to commemorate the death of Neda Agha-Soltan, the 26-year-old woman whose death was captured on video and seen around the world. Because the two centers of protest were at opposite ends of the sprawling capital, security forces were spread too thin and could not quell the crowds in many neighborhoods; protesters began chanting "Death to Khamenei," a phrase almost no one dared utter in previous protests. (See the top 10 protest symbols...