Re: New Delhi (November 2006)
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Govt asks NICD to conduct study on dengue[/FONT]
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Teena Thacker</TD></TR>
http://cities.expressindia.com/fullstory.php?newsid=209539
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New Delhi, November 13[/FONT]
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THE Delhi government?s Health Department has asked the National Institute of Communicable Diseases (NICD) to conduct an epidemiological study after the National Institute of Virology (NIV) found three strains of dengue prevalent in the Capital. [/FONT]
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Epidemiological study deals with the incidence and prevalence of a disease in large populations and with detection of the source and cause of epidemics of the disease. [/FONT]
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Doctors in the Capital fear that the presence of the three strains?dengue-I,II and III?could result in a higher incidence of the disease next year. Earlier, either one or two strains of the disease was prevalent in the city. [/FONT]
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?Now, it becomes all the more necessary to know the reason for the mutation. Also, how the vector is behaving and the efficacy of preventive measures. We have asked the NICD to conduct an epidemiological study so that we can be prepared,? said DS Negi, Principal Secretary (health) in the Delhi government. [/FONT]
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Doctors attribute the high number of cases and deaths to this. ?The presence of the three strains could be a reason for so many deaths this year. This also shows the disease has spread from more than one source. There are chances that the disease could strike in a similar fashion in coming years,? said Dr Randeep Guleria, professor of medicine in the All India Institute of Medical Sciences (AIIMS). [/FONT]
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Dr Randeep added that this ?mixed infection? could be a problem for those already infected with the virus. ?Those already exposed to a strain have chances of getting infected with a severe form of dengue. For instance, if a person is infected with dengue-I this year, he will develop immunity for it. But chances are that he might get infected with dengue-II or III, which are severe,? he said.[/FONT]
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Officials in the Municipal Corporation of Delhi (MCD) say strain-specific preventive measures cannot be taken but add the study would help in taking preventive action.[/FONT]
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NICD officials have already started working on the government?s directions but say they will be able to come to a conclusion only when the current outbreak subsides. [/FONT]
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One more dengue death
Dengue claimed one more life in the Capital, taking the nationwide death toll to 183. Health officials said the patient died at Safdarjung Hospital, pushing the dengue toll to 75 in Delhi. [/FONT]
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Twelve fresh cases were reported in the past 24 hours hours; seven patients were from Delhi. ? PTI[/FONT]
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