Place lobsters in the pot (head first), cover tightly, return to a boil as quickly as possible and start counting the time. Steam a lobster for 8 minutes per pound, for the first pound. Add 3 minutes per pound for each additional pound thereafter. See chart below for approximate cooking times. Regulate the heat if the froth starts to bubble over.
epidemic definition. A contagious disease that spreads rapidly and widely among the population in an area. Immunization and quarantine are two of the methods used to control an epidemic.
The 7.7 percent figure isn't static from year to year, however. The CDC's official definition of an epidemic is: The occurrence of more cases of disease than expected in a given area or among a specific group of people over a particular period of time..n terms of the flu, the difference between an outbreak and an epidemic is the percenatge of overall deaths caused by the disease.