11.   They then checked the abandoned animals to see if they were infected by the disease, which is transmitted by the Culex mosquito swarming in swamps and open drains.

12.   For many of them the reasons for trying to hang on to their narrow streets, open drains and homemade homes are not merely sentimental.

13.   Contaminated water and open drains cause outbreaks of jaundice, malaria, typhoid and gastroenteritis in Bombay.

14.   Prasad tried to allay fears that the discharge may have caused health problems in Tarapur saying the quantity of radioactive material that leaked through an open drain was insignificant.