They can be seen using a microscope if its not small viruses, and otherwise there is no way to detect it.
catiminatd food or water
There is no index of pathogens which are observable with or without staining. Pathogens can now be detected in flowing fluids, but cannot be identified. The signals now received indicate the size of the cluster only. This represents a major advance as it means that drinking water can be interogated for presence of bacteria.
Pathogens
ecolie
hahhaha mershremshermashur
Proper cleaning and sanitation
cleaning and sanitizing
Contamination.
Yes. Anything that comes into our bodies MAY contain pathogens.
if they have lice and scratch their head lice will get in the food;)
true