"Free from germs" means that a certain area or object has been thoroughly cleaned and sanitized, eliminating any harmful microorganisms that could cause diseases or infections. This is important to maintain a safe and healthy environment.
By germs
vaccines are drugs that are weakened form of disease causing germs they are used for preventing one from getting a disease
It isn't free of germs and that is why we purify the water.
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A "sterile" dressing is free of germs prior to use.
A vaccination is weakened germs of a disease. When you get injected with these germs, your body build an immunity against it, so when you really get the disease, your body can fight it off.
white blood cells, They fight the germs to get them out of your body so you wont be sick .