ProMED recently quoted GIDEON in a post about Malaria in India:

According to information available on the Global Infectious Disease and Epidemiology Network (GIDEON)

Two-thirds of all cases are reported from Gujarat, Karnatka, Madhya Pradesh, Orissa, Uttar Pradesh and Punjab.
- Orissa, Assam & Maharashtra account for 80 percent of all _plasmodium falciparum_ malaria.
- Malaria is reported nationwide, including Delhi and Bombay; but not in Hichal Pradesh, Jammu & Sikkim, isolated coastal areas around Western Ghats, Andaman and Nicobar Islands. Transmission begins with the onset of the Monsoon seasonb in mid-June.
- _P. vivax_ predominates until August, with _P. falciparum_ infection rising to a peak in September.
- There is no risk for malaria at altitudes above 2000 meters.

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