<prompt> All are true regarding CMV except -Double stranded DNA virusRarely causes problems in immunocompetent personFoscarnet can eliminate CMVTretinitis rare when CD4 count 200mm3  <response>: Acyclovir is useful in prophylaxis but not in treatment. Ganciclovir and foscarnet have been found to be effective and are used in patients with AIDS. REF:ANANTHANARAYAN AND PANIKERS TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:474 