how long are your titers good for? I don't have my childhood immunization record and I had the titers for mmr and hep B done in 1993. Are they still some good? These are for nursing school...
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how long are your titers good for? I don't have my childhood immunization record and I had the titers for mmr and hep B done in 1993. Are they still some good? These are for nursing school...