The American Academy of Pediatrics (AAP) has published new guidelines for the use of the human papillomavirus vaccine and, for the first time, has specifically recommended use of the vaccine in adolescent boys as well as girls.[more]

Although HIV-1 causes devastating disease it is limited in the types of cells that it can infect.[more]

Dendritic cells (DCs) are professional antigen-presenting cells playing a crucial role in the initiation of T-cell responses to combat infection.[more]

Prions, which are rogue proteins that cause infectious and fatal degenerative disorders of the central nervous including Creutzfeldt-Jakob disease (CJD) in humans, bovine spongiform encephalopathy (BSE) in cattle and scrapie in sheep and goats, are not only found in the brain, but also in other tissues, particularly in lymphoid organs, long before they are detectable in the central nervous system.[more]

In recent years, significant progress has been made in the control of HIV-1 infections using highly active antiretroviral therapy (HAART).[more]

Leishmaniasis is a vector-borne disease initiated by the bite of an infected sand fly.[more]

CD8 T cells are vital for controlling infections with viruses, intracellular bacteria and protozoa.[more]