It means there is an illness that is affecting a lot of people in one area.
For example, if a lot of students at a school were becoming ill then someone might refer to this as "there's a bug going around".
Yes it seems that theres a nasty bug going around
The small round bug with spots that you found in your garden is called a ladybug.
The tiny round bug with spots that you found in your garden is called a ladybug.
The small round bug with long antennae is commonly known as a ladybug.
BUG
The small brown round bug commonly found in gardens and fields is called a ladybug.
A beetle is a small round bug with a hard shell. There are several beetles that are black spotted. One example of a black spotted beetle is a lady bug.
Beetle?
The small flat round brown bug commonly found in homes and gardens is called a "cockroach."
"Bug" meaning "insect" dates from about 1622. "Bug" meaning "annoy" didn't start until 1949, and yes, probably did come from the fact that insects are annoying.
Bug is not a medical term. "Bug" can be a lay term meaning germ (parasite, bacterium, or virus).
Yes, if you have found a small round bug in your bed, it could be a variety of insects such as bed bugs, carpet beetles, or ticks. It is important to properly identify the bug to determine the best course of action.