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Why Do we Fall Ill — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWhy Do we Fall Ill1 Mark
Question
While going abroad, why it is essential to get vaccinated against certain diseases?
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Answer

A person may be carrier of some disease. Such a person may take that particular disease to a foreign country. Therefore, all visitors to a foreign country are vaccinated against the disease which is not prevalent in that country. It also acts as preventive measure against diseases commonly found in foreign country. This way the traveller and the host country become disease free.

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