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Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The FDA recognizes 118 routes of administration.

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