Big-pharma-shill-persona_manager posted this and deleted it because he can't handle the truth. Big-pharma-shill (aka persona_manager) has very little reading comprehension and absolutely no scientific literacy. The study he posted doesn't say what he thinks it does. In fact, it says quite the opposite - with these new findings, they'll be able to improve and make even more effective vaccines. It should surprise no one that a big-pharma-shill like persona_manager doesn't want the truth to be known.