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RE: The History Of Vaccine Series
Improved public health, nutrition and infrastructure development of major cities such as sanitation, as well as progress in medicine, such as the use of antibiotics and vaccines against infectious diseases, have led to a reduction in mortality. The high level of health services has reduced the mortality of infectious diseases.
Access to clean water, avoiding overcrowding populations, waste disposal, and healthy food are the key to curbing infectious disease and improved health.
Certainly healthy food and living in a clean environment will positively reflect on human health.
But now despite the development of major cities in terms of infrastructure there is a big problem is the pollution of the atmosphere and carbon dioxide emissions, especially in the industrial cities, this is a severe problem suffered by the great powers Camrica, for example, which is the first source of emissions and carbon dioxide in the atmosphere accompanied by diseases