Advertisement
Researchers studied the immune response of 34 adult participants from the first stage of a clinical trial. The vaccine, mRNA-1273, is administered in two injections given 28 days apart.
According to experts, even if the antibodies fade over time, the immune system will remember the virus if re-exposed and produce new antibodies. As per the study, the shots may help produce a type of immune cell that will help the system remember the virus. However, this couldn’t be conformed. They said they can also be sure after a longer study is performed.