What are viruses?

Wednesday, July 4, 2018

Viruses are the smallest of all the microorganisms. They are not cell and do not contains cell organelles. They cannot grow and multiply on their own . For this they need a living host (being). They do not show any characteristic of living creature . They do not: feed, respire, excrete, grow and multiply. The only thing which they have in living is they have genetic material which is surrounded by a protein coat

In humans, viruses can cause a verity of diseases .main are of 4 types

1. MEASLES
2. CHICKENPOX
3. POLIO
4. HEPATITIS B
General preventive measures to fight these viruses are:

(a). Keep the patient and his personal articles in complete isolation from others.
(b). Get vaccinated.
(c). Drink boiled water .
(d). Maintain good sanitation.

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