Did You Know?
Some viruses can make you feel tired!
How Viruses Spread
Viruses can spread by touch or air.
How to Stay Safe
Wash your hands and cover your mouth.
What viruses Do
They can make you feel sick.
They can spread to others fast.
Some can live on surfaces.
They can change and grow.
Some can make plants sick too.
They need hosts to live.
More About Viruses
Viruses have been around for a long time. They can change and make new types. Some were found in plants first. Then, they were found in animals and people.
Viruses can affect our lives. They can make us sick and keep us home from school. We need to be careful and wash our hands.
In the future, we may find new ways to stop them. Scientists work hard to learn more. They want to keep us safe from germs.
How Topics Connect
graph TD
A["Virus Definition"] --> B["Infectious Agent"]
B --> C["Replicates Inside Living Cells"]
A --> D["Types of Hosts"]
D --> E["Animals"]
D --> F["Plants"]
D --> G["Microorganisms"]
H["History of Virology"] --> I["Dmitri Ivanovsky (1892)"]
I --> J["Tobacco Mosaic Virus (1898)"]
What Do These Words Mean?
submicroscopic:too small to be seen with a regular microscope
infectious agent:something that can cause disease
replicates:makes copies of itself
ecosystem:a community of living things and their environment
virology:the study of viruses
