Recently, there has been a sharp rise in cases
and deaths from H1N1 influenza. The data on H1N1 cases has been collected by
Integrated Disease Surveillance Programme, National Centre of Disease Control,
Influenza is an infectious disease caused by an
influenza virus belonging to the family Orthomyxoviridae. Influenza viruses are
divided into three broad categories A, B and C on the basis of their core
proteins. Only types A and B cause human disease of any concern. H1N1 flu is a
variety of influenza A.
H1N1 virus had caused the 2009 pandemic (swine
flu pandemic). It has become a regular human flu virus and continues to
circulate seasonally worldwide.
The Integrated Disease Surveillance Program (IDSP)
is a disease surveillance programme under the Ministry of Health and Family
Affairs. It was launched in 2004. It aims at early detection and response to
disease outbreaks. It seeks to maintain decentralized laboratory based IT
enabled disease surveillance system for epidemic prone diseases.
The National Centre for Disease Control (NCDC)
is an institute under the Directorate General of Health Services, Ministry of
Health and Family Welfare.
The functions of NCDC are: a) undertaking
investigations of disease outbreaks across India, b) investigating and recommending
control measures for the outbreak of various communicable diseases in the
States/UTs in India. It also investigates and recommends measures to some
neighbouring countries in the South East Asia Region. c) Providing referral
diagnostic services to individuals, community, medical colleges, research
institutions and state health directorates.