What are Germs?

Germs Definition

Germs are microscopic organisms in our environment, such as bacteria, viruses, fungi, and protozoa. They are too small to be seen with the naked eye and can only be viewed through a microscope. While some microorganisms are benign, others can cause diseases and infections.

Bacteria are single cells that survive in soil, water, and the human body. Some bacteria are beneficial and essential to our digestive system, whereas others can cause illnesses like strep throat and food poisoning.

Viruses are even smaller than bacteria and are not considered living organisms because they are incapable of self-replication. To reproduce, they rely on a host cell and can cause diseases such as influenza and the common cold.

Fungi are multicellular organisms capable of surviving in soil, water, and on plants. Some fungi, such as those used to produce bread and cheese, are beneficial, whereas others can cause infections such as athlete’s foot.

Protozoa are single cells that inhabit soil and water. Malaria and amoebic dysentery can both be caused by certain protozoa.

It is essential to practice good hygiene to prevent the spread of germs, such as regularly washing your hands, covering your mouth when you cough or sneeze, and avoiding close contact with sick people. Vaccines are also available to protect against infectious diseases caused by microorganisms.

Germs - Disinfecting
Germs - Hands
Germs - Cleaning

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