Younger children with smoking parents are more likely to develop respiratory illnesses as a result of second hand smoke exposure.
Here are the top five infectious diseases without further ado. B-type hepatitis Hepatitis B affects about 2 billion people worldwide, or more than a quarter of world's population, making it the most prevalent infectious disease. Hepatitis C, Dengue, Tuberculosis, Malaria
viral illnesses. A virus is a bit of information (Ribonucleic acid) enclosed in a defense mechanism (capsid).
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