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Saturday, May 1, 2010

WHO - Pandemic (H1N1) 2009 - update 98

The latest update from WHO, to note the situation in Malaysia:

" In East Asia, pandemic influenza H1N1 virus circulation is now sporadic. In China, Mongolia, and Republic of Korea most influenza like illness cases continued to be primarily due to seasonal influenza type B viruses. In China and Mongolia influenza detections have continued to decline compared to previous recent weeks. The Republic of Korea reported increasing levels of respiratory disease activity associated with increasing detections of seasonal influenza type B in respiratory specimens over five consecutive weeks. Of note, small numbers of pandemic influenza H1N1, seasonal H3N2 and H1N1 viruses continued to be sporadically detected in some countries of the region.

In Southeast Asia, overall levels of influenza activity were low. Although the predominant influenza virus circulating was still pandemic influenza H1N1, there was co-circulation of seasonal influenza type B and, to a lesser extent, H3N2 viruses in several countries including Singapore, Cambodia, Indonesia and Thailand. Malaysia has reported increasing levels of respiratory diseases activity associated with pandemic influenza H1N1 laboratory confirmed cases. Media sources have also reported school closures in the country. In Singapore, influenza-like-illness levels are still below the seasonal epidemic threshold but have increased compared to previous week.

In South Asia, Bangladesh reported an increase in respiratory diseases activity associated with increasing numbers of pandemic influenza H1N1 laboratory confirmed cases since beginning of April. India reported pandemic influenza activity in the states of Maharashtra and recently Karnataka. Levels of respiratory diseases activity in both of these countries appear much less intense than in the initial wave of transmission which occurred late 2009. Although pandemic influenza is the predominant virus circulating in the region, seasonal influenza type B viruses continued to be detected in Iran and Bangladesh."

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