Shape and polarity can affect how a molecule fits into another structure and how it tastes. It can affect how easy the molecule is to separate and it's attraction positively or negatively charged objects. Atoms have __ potential energy and __ stability after they form a covalent bond.
How much you can expect to pay out of pocket for a flu shot, including what people paid in 2017. The cost of flu shots varies by location, but usually ranges between $5 and $30. 1  Many health insurance plans cover flu shots as part of a wellness plan. For example, Blue Cross Blue Shield of North Carolina covers flu shots for members who have preventive care benefits.
Dr. Payam Mehranpour. Also known as influenza vaccines, flu shots are given out once a year to protect against the flu. The flu shot stimulates the immune system to build antibodies to three or four strains of flu viruses in the hopes that it will offer protection from the current strains present in the community.