If only you had read the article.

>There may also be consequences to dialling up the immune system beyond its normal state – raising questions of immune disorders.

> Jonathan Ball, professor of molecular virology at the Liverpool School of Tropical Medicine, said the work was undeniably "exciting" but cautioned "we have to ensure that keeping the body on 'high alert' doesn't lead to friendly fire, where a hyper-ready immune system accidentally triggers unwelcome side effects".

> The research team in the US does not think the immune system should be permanently dialled up and think such a vaccine should be used to compliment rather than replace current vaccines.