This document discusses bacteria and viruses, noting that while most bacteria are helpful, some like Salmonella and Campylobacter can cause illnesses. These harmful bacteria are found in millions in our bodies and surroundings, and can lead to stomach pain, nausea, and vomiting. Many associate harmful bacteria with dirt or see them as germs due to their ability to cause sickness.

1. By Ethan and Harry!

2. VIRUS

6.  Though the big percentage of bacteria is
helpful to man and his environment, some,
like Isteria, Campylobacter, and Salmonella,
are bad bacteria. These and many others
that fall in this category surrounds us in our
day to day activities and actually found in
millions in our bodies. In fact, they cause
stomach pain, nausea, vomiting e.t.c and no
wander many associate them with dirt or see
them as germs.
