“while nucleocapsid IgG/IgM was not elicited”
You are right, normally one develops multiple antibodies to the nucleocapsid, so if it were the virus those antibodies would be present.
If a sufficient amount of time had passed. it takes several days to generate even IgM
If a sufficient amount of time had passed. it takes several days to generate even IgM
A vaccine has dead or weakened cells from/of the target virus.
These are inoculations of I hope so and I think so.