Naïve B cells exit quiescence and enter a proliferative state upon activation, ultimately differentiating into antibody-secreting or memory B cells. Toll-like receptor (TLR) ligands, such as ...

In this handout provided by the Philippine Coast Guard, residents and their dogs are evacuated by rescuers as floods rise due to Typhoon Bualoi in Ormoc, Leyte province, Philippines, on Friday Sept.