Not just IgG4 antibodies that become predominant in the many-jabbed, but also lesser studied IgG2, researchers find. NIH ...

Neutralization test is one tool used for serodiagnosis ... using the nucleocapsid-recombinant protein of Araraquara virus (ARAV) as antigen, allows to detect, in 10–15 min, antihantavirus ...

Each has distinct methods of defending your body against disease and infection. Harmful infectious organisms are identified as invaders due to their antigens (distinct molecules on their surface).