At least 50,000 former dengue patients at risk of falling severely ill as virus strain changes

Male Aedes aegypti mosquitoes at a dengue exhibition booth in Kampung Admiralty Community Plaza, on April 7, 2019.
Male Aedes aegypti mosquitoes at a dengue exhibition booth in Kampung Admiralty Community Plaza, on April 7, 2019.ST PHOTO: LIM YAOHUI

More than 50,000 people who came down with dengue fever between 2013 and 2015 may have to take extra precautions against being bitten as the dominant virus type circulating now is different from the one in those years.

They are likely to have been infected by the Den-1 virus and could become severely ill if they are infected now by Den-2, the current dominant strain.

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A version of this article appeared in the print edition of The Straits Times on June 19, 2019, with the headline 'Change in virus strain poses risk to former dengue patients'. Subscribe