Until relatively recently, the oral polio vaccine was derived from live, attenuated polio virus. It is no longer used in the U.S.
Then this is all Meenky business?
In very limited instances, the process is valid – in most instances (homoeopathy, for instance), it’s “snake oil” or worse…
MS72 over 1 year ago
Until relatively recently, the oral polio vaccine was derived from live, attenuated polio virus. It is no longer used in the U.S.
Zebrastripes over 1 year ago
Then this is all Meenky business?
wellis1947 Premium Member over 1 year ago
In very limited instances, the process is valid – in most instances (homoeopathy, for instance), it’s “snake oil” or worse…