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A doctor has explained what the difference between the first and second dose of the coronavirus vaccine is, in an attempt to debunk some of the crackpot theories and misinformation surrounding the world's attempts to get shut of the wretched virus.
Basically, you get one shot of the vaccine, which encourages the body to start creating antibodies against the virus, then the second comes in and supercharges the process, creating more and more antibodies until you reach a decent level of immunity.
If we're ever going to emerge from this pandemic and get back to something resembling normality, this is the kind of information we need.
The good doctor explained: "Why do some Covid vaccines require two doses, and what is in that second dose?
"The second does is just a booster shot, it's exactly the same thing as what was in the first dose, same vial, there's no difference.
"So, the first dose, it starts your immune system making those antibodies and those T cells after about 10 to 14 days, they can help fight off the virus.
"Then you come in three or four weeks after your first dose with the second dose and your immune system sees it and things 'ahh, I've got to make a bunch more antibodies or maybe some better ones, maybe more neutralising antibodies' - that's it.
"Not all vaccines require two doses, not even all Covid vaccines require two doses."
There you have it. There's no difference, and nothing to be scared of. It's just a couple of little pricks in the arm to protect you and the wider community from a virus that has killed hundreds of thousands of people.
In further good news, the UK just announced that the third coronavirus vaccine - this time made by Moderna - had been approved for use.
It joins the Pfizer/BioNTect and Oxford/AstraZeneca vaccines in being cleared for use on the UK's population.
Prime Minister Boris Johnson has promised to have all people who are vulnerable and those looking after them vaccinated by February 15, so hell need to use every weapon in the arsenal if he's to meet that ambitious target.
When it comes to it, just take the first dose, then come back for the second. We'll all get through it and back to the pub once again if we do.
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