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What are the different means by which infectious diseases are spread?


Infectious disease can be spread in the following ways : 

(i) By Air - Sneezing or cough little droplets thrown in the air carry micrrobes which can cause the spread. For example in common cold, pneumonia etc.

(ii) Water - Contaminated water carry disease causing microbes which can cause infection o. Example, gut diseases such as cholera.

(iii) Sexual Contact. Diseases such as syphilis or AIDS are transmitted by sexual contact.

(iv) By vectors  These are intermediaries which carry the infectious agents from the patient to the host (normal person). Example, mosquitoes (Female Anopheles mosquito) can cause spread of malaria.

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What precautions could you take in your school to reduce the incidence of infectious diseases?


Precautions that we can take in our school to reduce the incidence of infectious diseases are :

(i) Avoid overcrowded place.

(ii) Dring pure and safe water..

(iii) Maintain cleanliness on a personal and public level.

(iv) Using of handkerchief or towel to cover the mouth and nose while a infected student is sneezing or coughing.

(v) Using of clean toilets.

(vi) Not to allow water to stagenate in school or around school to avoid mosquito breeding.

(vii) To get vaccinated whenever programmes are organised in the school for inocculation against various diseases.

(viii) Not eating food exposed to flies, mosquitoes etc.

(ix) Eating proper and nutritious food for a strong immune system.

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