nonobaddog
Grandmaster
Is there any difference in effectiveness of the different antibodies? In the typical duration they "hang out" in the body?
Big variable. The IgX designations are type classifications of antibodies. The IgG type produced from the flu is different than the IgG type produced from the chinese virus. Each specific one will have its own life of effectiveness. So far nobody knows how long the IgG type antibodies from the chinese virus will last.