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Monsoon fevers: preventing dengue and leptospirosis

A little water in a coconut shell is enough for the dengue mosquito. Anyone working in fields or drains must watch for leptospirosis.

9 October 2026 · ആരോഗ്യ ഭാരതി കേരളം · മലയാളം

Every monsoon, fevers spread across Kerala. Dengue and leptospirosis (eli pani) among them can be life-threatening. Both can largely be prevented.

Dengue

Aedes mosquitoes bite during the day and lay eggs in still, clean water.

  • Keep one "dry day" a week: empty every bit of standing water around the house
  • Coconut shells, tyres, flower-pot saucers, fridge trays, folds in tarpaulin
  • Keep water-storage containers covered

Leptospirosis

The germ enters the body, often through cuts, from water or soil contaminated with the urine of rats, cattle and other animals.

  • Farm workers, people cleaning drains, anyone wading through floodwater: wear gloves and boots
  • Do not enter dirty water with cuts on your hands or feet
  • If your work puts you at risk, ask your nearest health centre about preventive medicine

If you get a fever

  • Do not treat it yourself; see a doctor, especially if it lasts more than two days
  • Tell the doctor if you have been in contact with dirty water
  • Do not take painkillers unless a doctor prescribes them
  • Drink plenty of water and kanji water
Go to hospital at once for any of these: vomiting that will not stop, severe stomach pain, bleeding from the gums or nose, yellow eyes, or passing very little urine.

Information on this site is for awareness only; see a doctor for treatment. In an emergency call 112 or 108.

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