Infectious diseases

2. Across Single-celled parasites that cause diseases like malaria.
3. Across The
4. Down A type of pathogen responsible for infections like athlete's foot and ringworm.
6. Across Single-celled organisms that can be killed with antibiotics.
8. Across Any disease-causing microorganism, commonly called a germ.
12. Across A disease that spreads over a very large area, often worldwide.
13. Across Describes a disease that is transmitted from animals to humans.
14. Across The period between exposure to an infection and the appearance of the first symptoms.

1. Down A serious protozoan disease spread by the bite of an infected mosquito.
3. Down Separating a sick person from healthy people to prevent further spread of a disease.
5. Down Practices like frequent handwashing that prevent the spread of germs.
7. Across A medication used to treat bacterial infections, but ineffective against viruses.
9. Down A substance that stimulates the immune system to create antibodies, providing protection.
10. Down An organism, such as a mosquito or tick, that carries a pathogen to a host.
11. Down A non-living particle that must invade a host cell to replicate.