Asap! dimitri received a flu vaccination earlier in the year. however, he has just been tested and has a confirmed case of the flu. why did dimitri most likely get the flu? vaccinations are not always effective. vaccinations are not effective if hygiene is poor. vaccinations give individuals the flu with full symptoms. vaccinations work only when provided at the onset of the disease. not b

It's A- Vaccinations are not always effective.

Explanation:

They are not always effective since an organism's immune system does not produce antibodies when first vaccinated. They can fail to produce an immune response.

Explanation:

A common misconception that people have around vaccinations is that they think they are 100% effective which is wrong. There is no vaccine that works 100% of the time. Most of the case, individual's system difference is the reason why don't have effect, human body is different somehow to every person, meaning that a cure to one person could not work on another.

the answer is a a teenager needs more sleep than the adult no matter what