Yes | No Thank you! Yes, my 15 month old daughter just got her first flu shot as well, and they told us the same thing. They break up the dose to gradually build up your child's immune system, and one shot would be too high of a dose at this age.
They are a type of mollusk, related to clams and oysters. Slugs are soft bodied, generally brownish or grayish, with eye stalks. They vary in size from 1/4 inch to two inches or longer. Slugs leave a silvery slime trail that they secrete as they move.
Differences in Shell. The long body and tentacles of slug is very similar to those of a snail, but the main physical difference between the two species is the shell.The snail uses its shell as an external attachment to protect and cover its body.The slug, however, has a small inner shell, which lies underneath the skin. Slugs and snails both breathe through an air hole on their mantle, called a pneumostome. On snails, the pneumostome lies is juxtaposed next to the shell.he snail uses its shell as an external attachment to protect and cover its body. The slug, however, has a small inner shell, which lies underneath the skin. Slugs and snails both breathe through an air hole on their mantle, called a pneumostome. On snails, the pneumostome lies is juxtaposed next to the shell.