pertussis vaccine. smallpox vaccine anniversary: why we should celebrate the end of a scourge – vox. support collective evolution. why are cases of shoulder injuries from vaccines increasing?. experimental vaccine used to fight congo\u0027s ebola outbreak. rabies vaccine allergies in cats. it took studying 25,782,500 kids to begin to undo the damage caused by 1 doctor. rising number of vaccination exemptions could put california schools at risk – keyt. a nurse holds up a vial and box for the hpv vaccine, brand name gardasil. why is italy\u0027s government trying to overturn a lifesaving vaccination law? here\u0027s what to know.