Lynz16
Proud Mummy!
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and in most cases I would rather Thomas was given the opportunity to develop natural immunity to them.
Unfortunately to get natural immunity to a disease or virus you need to get the antigens from that virus/disease into your blood so that your lymphocytes can fight it and produce something called antigen-specific T-Lymphocytes which then 'remember' that they have encountered that antigen in the past to provide your body with a massive (and fast) immune response to that antigen so to get 'natural' immunity you would need to get the disease and of course if your body has a slow response to it or does not fight it fast enough and it's a severe disease such as smallpox then you will die from it, of course not all diseases/viruses are fatal and a mild reaction does not require vaccines and of course for these you can encounter them, not die and form a 'natural' immunity to them which is why you cannot catch the same bug that's going around more than once.
However for the fatal diseases this is where vaccines come into play, they introduce deactivated forms of the specific antigen to the disease into the body causing a mild immune response (which causes fever, headache etc from the immune response but not actually giving you the disease) and provides the body the abillity to create T-cells and have a 'memory' of the disease so that if you encounter to disease for real it can fight it quickly and efficiently stopping you from potentially dying.
Of course if these severe diseases are to make a reappearance due to people not vaccinating against them then the vaccinated people can still die from it, all the vaccines do are give a faster and stronger immune response so at the end of the day not vaccinating does not (as many people seem to think) just affect you and your family but does in fact affect everyone in the population.
I know that I am very pro-vaccination and I know that there are many people who will disagree with what I have just wrote but at the end of the day, I am educated specifically in this field and want to provide facts and not opinions to those who do not know how vaccines work.
At the end of the day what those who are unsure need to think about on a personal level is if your baby was to catch something as common as measles, which FYI has reappeared in the UK in 1992 and has sharply risen (and is believed to be due to the decline in vaccinations!) and you haven't vaccinated and they die from it when it could have been prevented, Or if you don't vaccinate your daughter, she has a fine & healthy life, grows up & becomes pregnant then comes into contact with rubella and loses her child which again could be preventable then how would it affect you?...