Virus vs. Bacteria

Front

What is a virus?

Back

A virus is a microscopic infectious agent composed of a protein coat called a capsid that contains either DNA or RNA, but never both.

Front

What is a bacterium?

Back

A bacterium is a single-celled microorganism that can exist independently or as a parasite, and it has a complex structure including a cell wall and membrane.

Front

What is the primary difference between viruses and bacteria?

Back

Viruses cannot reproduce on their own and require a host cell, while bacteria can reproduce independently.

Front

Can viruses be treated with antibiotics?

Back

No, antibiotics are effective against bacteria, not viruses.

Front

What is an example of a viral infection?

Back

The flu, which is caused by the influenza virus.

Front

What is an example of a bacterial infection?

Back

Strep throat, which is caused by Streptococcus bacteria.

Front

Are all bacteria harmful?

Back

No, many bacteria are beneficial and play essential roles in processes like digestion and nutrient cycling.

Front

What is a vaccine?

Back

A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease.

Front

How can viral and bacterial infections be prevented?

Back

Both can be prevented through vaccination, good hygiene practices, and proper sanitation.

Front

Which pathogens are generally larger in size, viruses or bacteria?

Back

Bacteria are generally larger than viruses.