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National Project Implementation Plan - NVBDCP

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Type of<br />

Vector<br />

Borne<br />

Disease<br />

Description of the<br />

Vector and<br />

Causative Agent<br />

Description of the<br />

Infection and health<br />

impact<br />

Geographical<br />

dispersion<br />

Causative Agent:<br />

Leishmania<br />

donovani, a parasite<br />

mainly residing in<br />

bone marrow, spleen<br />

and liver. No<br />

intermediate host is<br />

known in India (i.e.<br />

humans are the only<br />

hosts). P. argentipes<br />

is the only vector<br />

responsible for Kalaazar<br />

in India<br />

Kala-azar is<br />

characterized by<br />

irregular bouts of fever,<br />

darkening of the skin<br />

substantial weight loss,<br />

enlargement of the<br />

spleen and liver, and<br />

anemia. If left<br />

untreated, the case<br />

fatality rate can be as<br />

high as 100% within two<br />

years.<br />

Patients with PKDL are<br />

not in danger of dying<br />

from the disease, but are<br />

contagious<br />

1.2 Malaria Control in India<br />

The <strong>National</strong> Malaria Control Programme (NMCP) started in 1953 and<br />

subsequently changed in 1958 to <strong>National</strong> Malaria Eradication program.<br />

Since then there have been many achievements as well as set backs in the<br />

program. The incidence of malaria reached to all time low of 0.1 million<br />

cases in 1965. However, this has subsequently increased to 6.47 million<br />

cases in 1976. The Modified <strong>Plan</strong> of Operation (MPO) launched in 1977 in<br />

response to reemergence of malaria in the country successfully brought<br />

down annual incidence of malaria from 6.47 million (0.85 million P.<br />

falciparum) in 1976 to 2.18 million cases (0.65 million P. falciparum) by<br />

1984.<br />

Modified plan of Operation (MPO), 1977 envisaged a major strategic shift by<br />

integrating malaria program with the primary health care delivery system<br />

and changing the concept of blanket Indoor Residual Spraying (IRS) to<br />

selective IRS by stratifying the areas based on number of cases reported<br />

per 1,000 population in a year [the Annual Parasite Incidence (API)]. IRS<br />

was limited to areas reporting API of 2 and above.<br />

The Urban Malaria Scheme (UMS) was launched in 1971 with the objective<br />

to control malaria by reducing the vector population in the urban areas<br />

through recurrent anti-larval measures complemented by detection and<br />

treatment of cases through the existing health services. The scheme was<br />

sanctioned for 181 towns spread over 17 states and two union territories.<br />

However, it has so far been implemented in 131 towns only covering a<br />

population of 101.1 million in 2005<br />

4

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