Bacteria

What argon viruses?
Viruses atomic number 18 too small to be seen by the naked eye. They cant multiply on their own, so they have to fall upon a host cell and take over its machinery in pasture to be able to make more virus particles.
Viruses brood of genetic materials (DNA or RNA) surrounded by a cautionary coat of protein. They atomic number 18 subject of latching onto cells and getting inside them.
The cells of the mucose membranes, much(prenominal)(prenominal) as those lining the respiratory passages that we breathe through, are peculiarly open to virus attacks because they are not cover by protective skin.
What are bacterium?
Bacteria are organisms made up of just one cell. They are capable of multiplying by themselves, as they have the power to divide. Their shapes vary, and doctors use these characteristics to know apart them into groups.
Bacteria exist everywhere, inside and on our bodies. Most of them are completely harmless and some of them are very useful.
notwithstanding some bacteria can cause diseases, either because they hold back up in the wrong place in the trunk or simply because they are designed to invade us.
How are infections with viruses and bacteria col?
Viral and bacterial infections are both spread in basically the same ways.
A person with a shivery can spread the infection by coughing and/or sneezing.




Bacteria or viruses can be passed on by touching or shaking pass with other person.
Touching food with dirty hands will excessively allow viruses or bacteria from the intestine to spread.
Body fluids, such as blood, saliva and semen, can contain the infecting organisms and transmission of such fluids, for example by injection or sexual contact, is important, particularly for viral infections like hepatitis or AIDS.
How to avoid infection
Wash your hands thoroughly (often one of the best ways to avoid signal detection a cold).
Shaking hands with someone who has a cold is risky, so avoid rubbing your eyes or snoot afterwards.
Food should be cooked or cooled down as right away as possible.
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