Viruses are replication parasites that can do nothing until they take over a living cell. Bacteria are living cells.
Whales are big and bacteria are small
The similarities of viruses and bacteria (plural of bacterium) are that both have DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) within their cell walls. Both cause disease, which is a big problem.
There is no difference; they are synonyms.
A big difference
There is not a big difference between a Big Muff with tone wick and a original Big Muff. The only difference is the color.
All viruses fall in between ten to hundred nano meters.
Size of most of the bacteria is between 4 o 10 micrometer. So diameter of strep bacteria should fall between 4 to 8 micrometer.
the difference is this is small and that is big
The difference between brand position and a big idea is how a given advertising idea is placed.
It's not a very big difference but an iPad 3 is way better.
Eg.There is a big difference between night and day / everyone dresses differently
The big bang is a one off, the big bounce is cyclic.