We were told that though it was mild because it was novel, it could spread widely and kill a lot of people by virtue of the sheer numbers infected. Later it emerged that people over 50 had some immunity. Although the virus itself was novel, its surface antigens had some similarities to those on H1N1 [...]
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During the celebrations of the religious ceremony known as World Youth Day in Sydney, Australia, in July 2008 (WYD2008), which was winter-time in Australia, there was a significant influenza outbreak which affected a number of people. This study assessed epidemiologic data and respiratory samples collected from attendees to that mass gathering who sought treatment for [...]
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