Their painful bites contain a cocktail of chemicals ... Then, Ruschig developed a cell-based assay to test their effectiveness against α-LTX’s cytotoxic effects. He found that 45 of the 75 generated ...

(A) A person is infected with the dengue virus when an infected mosquito bites the person’s skin ... The immune response also includes cytotoxic T cells (lymphocytes), which recognize and ...