From 1 June to 28 October 2003, 1,723 laboratory
confirmed cases of dengue fever have been reported in Delhi and surrounding
areas. Four deaths among laboratory confirmed cases have been reported
on 28 October. Additional information is being sought on possible cases
of dengue haemorrhagic fever. Circulating dengue virus serotypes DEN-3
and 2 have been reported to be associated with this outbreak.
WHO is working with the Ministry of
Health, India to strengthen prevention and control activities.