From philly.com:

A quadruple-dose flu vaccine for the elderly also provides better protection for people with HIV, researchers reported Tuesday in the first of several studies to publish results of high-dose vaccine for people with compromised immune systems.

The team of researchers from Philadelphia institutions will ask a federal advisory committee to recommend high-dose vaccination for HIV-positive people, said Pablo Tebas, an infectious-diseases physician at the Hospital of the University of Pennsylvania and senior author of the paper in Annals of Internal Medicine.

Read the full article on the Philadelphia Enquirer online.