Word: humanism
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...some 12.5 million doses of the antiviral drugs Tamiflu and Relenza - which scientists say has so far been effective against the H1N1 swine flu virus - the Department of Homeland Security will begin "passive surveillance" to screen people entering the U.S. Any traveler coming from a country with a confirmed human swine flu infection will be questioned, checked for symptoms and potentially isolated if they are found ill. Though the CDC has issued public warnings about the more serious outbreak in Mexico, there are no recommendations from Washington against traveling to the neighboring country. (Read about the vaccine being prepared...
...awhile, the virus shifts its genetic structure so much that our immune systems offer no protection whatsoever. (This usually happens when a flu virus found in animals - like the avian flu still circulating in Asia - swaps genes with other viruses in a process called reassortment, and jumps to human beings.) A flu pandemic occurs when a new flu virus emerges for which humans have little or no immunity and then spreads easily from person to person around the world. In the 20th century we had two mild flu pandemics, in 1968 and 1957, and the severe "Spanish flu" pandemic...
...responsibility of declaring when a new flu pandemic is underway, and to simplify the process, the U.N. body has established six pandemic phases. Thanks to H5N1 avian flu, which has killed 257 people since 2003 but doesn't spread very well from one human to another, we're currently at phase 3. If the WHO upgraded that status to phase 4, which is marked by a new virus that begins to pass easily enough from person to person that we can detect community-sized outbreaks, such a move would effectively mean that we've got a pandemic on our hands...
...H1N1 swine flu virus has already been identified as a new virus, with genes from human and avian flus as well as the swine variety. And since it is apparently causing large-scale outbreaks in Mexico, along with separate confirmed cases in the U.S. and Canada and suspected cases in other countries, it would seem that we've already met the criteria for phase 4. But though an emergency committee met on April 25 to evaluate the situation, the WHO hasn't made the pandemic declaration yet. Keiji Fukuda, the WHO's interim assistant director-general for health, security...
...traveled in recent days, they are on high alert. Two of the three people with respiratory ailments, a 77-year-old woman and her 4-year-old granddaughter, tested negative for H1N1. The third, a 27-year-old woman who had been to San Francisco, tested positive for a human influenza subtype, not swine flu. Rated "serious" on the government's influenza-alert scale, swine flu was named a notifiable disease on Monday, which means doctors are required by law to report any suspected cases...