A second question that people will ask is: could this somehow lead to a fourth dose not just being available but mandatory? Unfortunately, I think people that ask that question actually have a reason to be sceptical of the Government. This is a Government where the Prime Minister promised that people would suffer no penalty whatsoever if they didn't want to have the original doses of the Pfizer vaccine. Now, I think that was a really foolish promise for the Prime Minister to make, because, actually, all choices in life have consequences. That is cause and effect thinking. It would be naïve to think that you could make a choice and it wouldn't, at the very least, lead to the judgment of your peers and friends, or, perhaps, other people saying that they were setting conditions for their private property that included a requirement to be vaccinated, and perhaps that property owner might be your employer. 