Symptom
Antibiotics
Sore
Treat
Invade
Protect
Virus
Digest
Disease
Immune system
Infections
Bacteria
A disease that is caused by bacteria or viruses
Very small living things that can cause disease
A tiny living organism that causes illness or disease
A physical feeling or problem that shows that you have a particular illness
To enter a place in large numbers
To give medical care to someone who is sick or hurt
An illness
Painful, especially when touched
To change food in your stomach into substances that your body can use
A medicine that cures infections by destroying bad bacteria
The cells and tissues in the body that make it able to protect itself against infection
To keep someone or something safe from something dangerous or bad