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.
Tell the truth
complex to compound sentence
The death of Curly is an example of the law of club and fang. He learns that violence doesn't just come from men with clubs, it also comes from dogs with fangs.
I think the answer is C but that’s just a guess
Answer:
Negative fame
Explanation:
I looked it up in a dictionary and also passage clues.