Is air purifier safe for boosting newborn's immunity?

"As such there are no studies which have shown that the use of air purifiers at home helps in boosting the newborn's immunity. However it is an individual preference and if the parents prefer to use air purifiers at home. However it has been showed that the use of air purifiers can definitely help in babies who have allergy to dust, mite and air pollens. However in babies who are born premature, their lungs are susceptible for infection and it might be advisable to use air purifiers at home for whatever advantage it might give to the baby"