New Delhi, May 14 -- Prompted by the early onset of monsoon the health ministry has told all air, sea and land ports to check for vector-borne diseases and implement control measures.

The diseases include dengue, chikungunya, zika and yellow fever among others. India experiences a large number of deaths due to vector-borne diseases.

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Last year, India reported 233,519 dengue cases, 297 deaths and 17,930 cases of Chikungunya.

A health ministry communication issued on 7 May pointed out key measures to be taken by all the ports to strengthen surveillance and vector control measures to mitigate the health risks during the monsoon as it is the most favorable...