You are a fool mate quite obviously...Az is made from a weakened version of a common cold virus (known as an adenovirus) from chimpanzees. The reason it was taken from a chimp virus was to ensure no humans had previous contact with it to enable the vaccine to be used on a broad scale. Had they sourced the adenovirus from a human source it would be extremely likely many people would already have been exposed to it and have built up an immunity thereby rendering the vaccine ineffective...
