Therapeutic cancer vaccine boosts survival for people battling advanced melanoma. Each dose is crafted based on the unique genetics of the patient’s cancer cells, and it teaches the immune system to find and kill the cells. Read more

Blood-based ‘liquid biopsy’ might spot early stage tumors. Researchers say the experimental blood test shows promise in picking up signals from 12 hard-to-detect cancers. Read more

Kids whose moms took HIV meds while pregnant may be at higher risk for developmental delays. But for pregnant women who have the virus that causes AIDS, the medication is a way to protect the fetus from infection. Read more