In the following list of infections, two of these are mentioned in the video clip that are caused by bacteria. Place a “B” by the two infections that are caused by bacteria. The other two infections are not mentioned in the video clip as they are not caused by bacteria. Place a “V’ by these as they are viruses and not bacteria. Common Cold

Tooth Decay (resulting in root canal)

Strep Throat

Influenza (“flu”)

Explanation:

V  Common Cold

B  Tooth Decay (resulting in root canal)

B  Strep Throat

V  Influenza (“flu”)

Strep throat is caused by streptococcus which is a bacteria. They are present but can grow in numbers due to other problems in the body.

Tooth decay is caused by bacteria and that is why we should avoid feeding them with sweets so they don't grow in numbers.

Influenza is a virus that causes the flu. We have a flu season each year and a vaccine against it.

The common cold is also caused by a virus and there are a few of them that cause the same kinds of symptoms.