Answer:
Scientists are creating vaccinations that prevent people from getting the bird flu. If the virus mutates, a new vaccine will need to be made. The vaccine needs to be tested, which can be dangerous. It will also take a long time for scientists to know whether the vaccine works or not.
Explanation:
The flu vaccine is injected under skin in a inactive form and the immune system responds with antibodies to the food protecting you from the future exposure to the flu. That's why sometimes you get the flu even though you got a shot because there's different forms of the flu.
Life stages shaped by society
Answer:
Finding similarities with other people helps us live happy and healthy lives. Your life may feel ordinary to you, but it might seem extraordinary to someone else. Every story shared is a chance to make someone feel less alone.
Explanation:
Hope this helps...
Answer:
D.
Explanation:
It is saying that you have to use it correctly, but it does not say not to use it.
False. When writing you should look for spelling mistakes as well.
