This month, the Centers for Disease Control and Prevention announced sweeping changes to the childhood vaccination schedule in the United States. They’re framed as a way to simplify decision-making ...

Oral vaccines promise painless, needle-free protection—but the human gut evolved to destroy exactly what vaccines are made of ...

One of the main mysteries confounding development of an HIV vaccine is why some people infected with the virus make the desired antibodies after several years, but a vaccine can't seem to induce the ...