It is very important to prevent diseases from spreading. Several decades before, it was almost impossible to imagine having vaccination against certain harmful diseases such as polio or measles for newly born babies. Now all the newly born children are given vaccines against certain diseases in order to help them develop immunity against these diseases.

Vaccines are very important in keeping people healthy. If you are immunized for some disease, you cannot get that disease through any means. This is quite useful since it means that if everyone is vaccinated for a certain disease, the world will be free of that disease forever.

There are, however, people who say that it is not necessary to vaccinate babies against diseases. This is a very illogical argument, since medical research has proved all over the world that vaccine administration has no harmful effect on the child. In fact, Vaccines have actually helped in reducing the occurrences of polio, mumps, tetanus, whooping cough, diphtheria, and HIB.

While it is true that newborn babies are immune to many diseases because of antibodies that they get from their mother, however, this immunity only lasts almost about one year. After this time they will not be immune, and simple contact with another person who has the disease can make them fatally ill. Furthermore, maternal immunity does not extend to all kinds of illnesses.

In the past, children died all over the world because of illnesses that are now preventable because of the vaccines we give them. If we did not have vaccines, children would still be dying from diseases like whooping cough, which are at this point almost been wiped out due to immunization.

Furthermore, children lack the immunity against several diseases unlike grown-ups who are less likely to fall ill compared to the children. Since children are weaker, they catch all diseases faster, which is why it is extremely important for them to be vaccinated when they are still young.

Immunization is also important, because it slows down the spreading process of the disease. For example, polio is still present in some third world countries, but because the majority of the children are immunized against it, it is not present that much in the community. With fewer people immunized, it would be much more prevalent.

Finally, immunizing children prevents them from spreading the illness to other people. There are people who cannot be immunized, e.g. those too young, people with leukemia, or those that do not build up immunity after vaccination. If no one was vaccinated, then the chances that these people would get the disease would be much higher.

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