Malaria Programme
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Direct answer
Malaria control in India has changed its name with its strategy — the National Malaria Control Programme of 1953 became an Eradication Programme in 1958, fell back to the Modified Plan of Operation in 1977 after resurgence, and since 2003 sits inside the National Vector Borne Disease Control Programme — with the National Framework for Malaria Elimination (2016-2030) now targeting zero indigenous cases by 2030. Vivax malaria currently outnumbers falciparum in India, diagnosis at the periphery is by bivalent rapid test or microscopy, falciparum is treated with artemisinin-based combination therapy (artesunate-sulfadoxine-pyrimethamine first line) and vivax with chloroquine plus 14 days of primaquine, while prevention rests on insecticidal nets, indoor residual spraying and larval control.
What you must remember
- Programme timeline: NMCP 1953, National Malaria Eradication Programme 1958, Modified Plan of Operation 1977, merged into NVBDCP in 2003; the elimination framework targets 2030.
- Species: Plasmodium vivax is the commonest, with P. falciparum responsible for nearly all severe disease and deaths.
- Diagnosis: microscopy remains the gold standard; the bivalent rapid diagnostic test detects falciparum (HRP-2 antigen) plus a pan-malarial antigen, and Asha workers carry RDTs and ACT.
- Uncomplicated falciparum: 3 days of artesunate plus sulfadoxine-pyrimethamine, with a single low dose of primaquine (0.25 mg/kg) as gametocytocide; artemether-lumefantrine is the second-line ACT.
- Uncomplicated vivax: 3 days of chloroquine (25 mg/kg total) plus primaquine 0.25 mg/kg daily for 14 days for radical cure of hypnozoites, ideally after G6PD assessment where feasible.
- Vectors: Anopheles culicifacies (rural) and Anopheles stephensi (urban), both night biters — which is why insecticidal nets work.
- Vector control: long-lasting insecticidal nets, indoor residual spraying with DDT, malathion or synthetic pyrethroids (rotated to delay resistance), larvivorous fish and source reduction.
- Indicators: Annual Parasite Incidence (API, cases per 1,000 population per year) is the key stratification metric; Annual Blood Examination Rate should reach about 10%; incidence has fallen steeply over the last decade.
Fever in an endemic block: the programme response
A village in Odisha in October: Asha tests a febrile child with a bivalent RDT at home. Falciparum positive. Within hours the child receives the first artesunate-SP dose under supervision, a single low-dose primaquine to cut transmissibility (not for pregnant women and infants), and paracetamol for fever; the case enters surveillance the same day. Had the test shown vivax, the response shifts to chloroquine for 3 days plus the 14-day primaquine course, with an explanation of why completing primaquine matters — the hypnozoites sleeping in the liver will otherwise relapse for years. Severe malaria — impaired consciousness, convulsions, jaundice, severe anaemia, hyperparasitaemia — is referred for injectable artesunate, the treatment of choice over quinine. Around the household, the block malaria inspector checks net usage and ensures the indoor spraying round covers actual households. Case management plus vector control together is the whole strategy in one village.
Old answers that now cost marks
Three legacy answers fail modern papers. First, "chloroquine for falciparum" — resistance made ACT mandatory; chloroquine now only treats vivax. Second, the old 0.75 mg/kg single primaquine dose for falciparum gametocytes has been replaced by the low 0.25 mg/kg dose, acknowledging haemolysis risk in G6PD-deficient persons. Third, "DDT is banned" — DDT is still used in public health indoor residual spraying in India, restricted but not banned; writing "banned" contradicts programme practice. A recurring conceptual question is why primaquine is needed at all when ACT clears parasites: artemisinins barely touch mature falciparum gametocytes (primaquine does) and never touch vivax hypnozoites (only primaquine does). Finally, keep the API definition clean — cases per 1,000 population per year — because examiners swap in 10,000 or 100 to test attention.
Frequently asked questions
What is the first-line treatment of uncomplicated falciparum malaria in India?
Three days of artesunate plus sulfadoxine-pyrimethamine (ACT) with a single low-dose primaquine 0.25 mg/kg as gametocytocide; artemether-lumefantrine is second line for treatment failure.
What constitutes radical cure of vivax malaria?
Chloroquine 25 mg/kg over 3 days for the blood stage plus primaquine 0.25 mg/kg daily for 14 days to eliminate hepatic hypnozoites and prevent relapse, with G6PD screening where possible.
Which are the principal malaria vectors in rural and urban India?
Anopheles culicifacies in rural areas and Anopheles stephensi in urban areas; both bite at night, making insecticide-treated nets the cornerstone of personal protection.
What is API and why does the programme track it?
Annual Parasite Incidence — confirmed malaria cases per 1,000 population per year — used to stratify areas and choose interventions as districts move from control to elimination categories.
What does a bivalent malaria RDT detect?
Histidine-rich protein 2 specific to Plasmodium falciparum plus a pan-malarial antigen covering all species, enabling species-directed treatment at village level.
By which year does the National Framework for Malaria Elimination target zero indigenous cases?
2030, with documented interruption of indigenous transmission; India committed to the 2016 framework aligned with the Asia-Pacific elimination agenda.