DengiAll (Health, Diseases and Biotechnology)
DengiAll (Health, Diseases and Biotechnology)
Why In News:
Deaths reported in Brazil have raised safety concerns about DengiAll, India's dengue vaccine developed by Panacea Biotec.
About Dengue
Causative agent: Dengue virus (DENV) - 4 serotypes: DENV-1, DENV-2, DENV-3, DENV-4.
Vector: Transmitted primarily by the Aedes aegypti mosquito).
Dengue isn’t contagious from person to person except when passed from a pregnant person to their child.
The two primary vaccines are Dengvaxia and QDENGA.
ADE (Antibody-Dependent Enhancement): A key challenge in dengue vaccination - secondary infection with a different serotype can cause Dengue Haemorrhagic Fever (DHF) or Dengue Shock Syndrome (DSS).
Key Facts for Prelims
DengiAll: Developed by Panacea Biotec.
Tetravalent vaccine: Provides coverage against all 4 serotypes of dengue virus.
NVBDCP: National Vector Borne Disease Control Programme - the central programme for prevention and control of six vector-borne diseases: Malaria, Dengue, Chikungunya, Japanese Encephalitis, Kala-azar, and Lymphatic Filariasis.