Does anyone have any information for the syllabus point in column 3 of section 5 of Search for Better health? :
..evaluate the effectiveness of vaccination programs in preventing the spread and occurence of once common diseases including smallpox, diphtheria and polio
I've found a couple of websites, but none of them are very detailed and I need more info cause its for an assignment. Can anyone help?
..evaluate the effectiveness of vaccination programs in preventing the spread and occurence of once common diseases including smallpox, diphtheria and polio
I've found a couple of websites, but none of them are very detailed and I need more info cause its for an assignment. Can anyone help?