The first is an Acute (medical) that occurs immediately after exposure to an allergen.

This is not an effective strategy, since most cancers occur 20 to 40 years after exposure, and are usually caused by multiple agents.

This sometimes occurs after exposure to an unusually alien personality, and these people are unusual.

The cancer may occur as soon as 5 years after exposure.

Symptoms can start to occur long after exposure, so be sure to tell your doctor if you may have swallowed untreated water.

Did it occur within four to six hours after exposure to something that you might be allergic to?

Tolerance to a drug's effects occurs after regular exposure to a drug.

This typically occurs at 6-15 days after initial exposure.

But, he said, much work is needed to learn which cells become infected and what changes occur immediately after exposure to the virus.

The first is an acute response that occurs immediately after exposure to an allergen.