vectors

Vectors and disease spread in humans and animals

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The left picture shows a young, tan calf laying down with flies on its face. The right picture shows a tick on the end of a blade of grass.

As we move into summer and the weather gets warmer, we tend to see an increase in vector-borne diseases (VBD). Vectors are insects, rodents, birds, or other animals that can carry disease pathogens. The most common vectors are insects that suck blood, such as mosquitoes and ticks. VBDs occur in both animals and humans. Every … Read more