By either of two viruses: Variola major and Variola minor
the fly's that carried smallpox were close to the cows, so the milk maids would get stung.
it just means a kind of animal sickness, like chicken poxes.
by causins the black plagueor pox's small-poxes nuclear reactions disorder's diseases spreading from anywhere
The plural form for the noun pox is poxes.
Bacteria are small organisms.
what causes a gritty discoloured placenta
What causes small amounts of bleeding depends on where it is coming from and what your ailment is. For example, if your finger is cut, there might be a small amount of blood. If you have had surgery, there may be small amounts of bleeding where the stitches are.
Constipation
A viroid is an infectious agent that consists of a small strand of RNA and that causes disease in plants.
what wind causes small trees to sway
some times bugs
A small leak in the vapor system from the tank to the engine.