0 votes
How is a vaccine created?

1 Answer

0 votes
Vaccines are made by taking viruses or bacteria and weakening them so that they can't reproduce (or replicate) themselves very well or so that they can't replicate at all. Children given vaccines are exposed to enough of the virus or bacteria to develop immunity, but not enough to make them sick.
Welcome to All about Slots&Casino site, where you can find questions and answers on everything about online gambling.
...