Vaccine I've heard of will make you sick....very sick for 5 days or so. It gives you several corona strains. No thank you!
That kind of vaccine is called a protein or peptide vaccine(antigens). This means parts of, dead or weakened viruses are in the vaccine. This is what the flu vaccine is. These take longer to develop because you have to, usually, not always, grow the virus in large quantities to get enough virus material to produce millions (billions) of doses.
ALL the leading SARS-CoV-2 vaccines are not these kind. They are DNA or nRNA types. Very different mechanism. The Russian vaccine for example is a vector based vaccine, which I'm pretty sure means a DNA vaccine, where they use modifed cold viruses to deliver plasmoid DNA(covid DNA) to your cell to get it generate antigens. Moderna and Pfizer vaccines are both competing mRNA vaccines with LPN delivery mechanisms. It gets real complicated, but there are no human approved vaccines using this tech before COVID-19.
