Choosing the right needle size and injection site isn’t just about technique — it can make vaccines safer, more effective, and less painful. From weight-based needle length guidelines to strategies ...

An estimated 25% of Americans have a fear of needles and 16% skip getting vaccines because of that fear, according to Harvard Medical School. Sometimes trypanophobia stems from a traumatic childhood ...

The risk of infectious disease outbreaks is increasing as public health experts and libertarians talk past one another. Hand wringing and finger pointing won’t help bridge the gap. What can work is ...