Spot map was devised by ?
High-Yield Explanation
Ans. is 'd' i.e., John snow John Snow (1813-1858) found the link between cholera and contaminated drinking water in 1854, using spot map.
Related Social & Preventive Medicine MCQs
Colored kit for STD treatment is which type of approach?
General
Voluntary admission can be done maximum up to how much time according to MHA 2017
General
For post exposure prophylaxis for HIV the regimen is ?
General
True about culex larvae ?
General
The number of times the air in a living room should be recycled is ?
General