''Maintenance of personal and public hygiene is necessary for prevention and control of many infectious diseases''. Justify the statement giving suitable examples.
Measures for personal hygiene include keeping the body clean; consumption of clean drinking water, food, vegetables, fruits, etc.
Public hygiene includes proper disposal of waste and excreta; periodic cleaning and disinfection of water reservoirs, pools, cesspools and tanks, and observing standard practices of hygiene in public catering.
These measures are particularly essential where the infectious agents are transmitted through food and water such as typhoid, amoebiasis and ascariasis.
Healthy habits also includes regular excersise, taking proper sleep, etc.
Infection of pneumonia occurs due to
Compare the life style of people living in the urban areas with those of rural areas and briefly describe how the life style affects their health.
The main reason why antibiotics could not solve all the problems of bacteria mediated diseases is
Assertion: There is no chance of malaria to a man on the bite of male Anopheles mosquito.
Reason: It carries a non-virulant strain of Plasmodium.
Lymph nodes