Any Known Cases of Malaria to Expats? (New Delhi)

Anyone have an idea of what the risk of Malaria to expats is in India? Came to Gorakhpur in UP to teach and took many precautions (Hep A and B vaccinations, polio/tetanus, pheumonia, flu shots and more) but did not think Malaria was huge problem in that region. Now I see there are more mosquitos than I've ever seen! Has anyone heard of any cases of malaria recently to expats? I'm a bit concerned though also a bit late in getting some prophylaxis.
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