Is measles IgM (Immunoglobulin M) detectable in serum during the long latency period after acute measles infection and before Subacute Sclerosing Panencephalitis (SSPE) onset?

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Related Questions

Can measles Immunoglobulin M (IgM) still be detectable in serum a year post-measles infection if Subacute Sclerosing Panencephalitis (SSPE) is in its silent phase?
Is measles Immunoglobulin M (IgM) present in serum in latent Subacute Sclerosing Panencephalitis (SSPE)?
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Would measles Immunoglobulin M (IgM) be present in serum during the latency period of Subacute Sclerosing Panencephalitis (SSPE) after acute measles infection?
Is measles Immunoglobulin M (IgM) present during the latency period of Subacute Sclerosing Panencephalitis (SSPE)?

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