(not a paid Pharma Shill)
how do vaccines cause immunity
With many people vaccinated it will help those that cant get vaccinated like young children this is called heard immunity
what are some ingredients in vaccines?
there is also chemicals used to inactivate viruses and bacteria and stabilize the vaccines, helping to preserve and prevent the vaccines from losing potency.
thimerosal is a mercury containing preservative but in the amount inside of a vaccine only causes slight swelling and redness at the puncture but the american academy of pediatrics and vaccine manufacturers agreed to reduce or eliminate the amount of thimerosal in vaccines