They work a majority of the time, just not 100% of the time. If the efficacy rates are high enough, enough people can be made immune to provide herd immunity. The faster you can get this through your skulls, the faster we can all get on with our lives.
Comparing the Universal Oneness of All Life to Yo Mama since 2010.
I was born with the gift of laughter and a sense the world is mad.
I was born with the gift of laughter and a sense the world is mad.