STATUS OF CANDIDATE VACCINE STRAINS AND POTENCY REAGENTS Zhiping Ye, M.D., Ph.D. FOOD AND DRUG ADMINISTRATION CENTER FOR BIOLOGICS EVALUATION AND RESEARCH. INFLUENZA A (H1N1) VIRUSES.
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STATUS OF CANDIDATE VACCINE STRAINS AND POTENCY REAGENTSZhiping Ye, M.D., Ph.D.FOOD AND DRUG ADMINISTRATION CENTER FOR BIOLOGICS EVALUATION AND RESEARCH
Current VaccineReassortantGrowthA/New Caledonia/20/99 IVR-116 Mod/highCandidate Strains:No new antigentically divergent strains available
Current VaccineReassortantGrowthA/Panama/2007/99 Resvir-17 High(A/Moscow/10/99-like) Candidate Strains:Candidate A/Fujian/411/02-like strains isolated in mid February and being distributed to collaborating labs this week.
Current vaccineGrowthB/Hong Kong/330/01 ModerateB/Hong Kong/1434/02 Moderate B/Shangdong/07/97 Moderate Candidate Strains:B/Brisbane/32/02 Low/mod
Reagents Currently Available for Type A:H1N1 -A/New Caledonia/20/99 H3N2 -A/Panama/2007/99If new strains are chosen, reagents will be available in May at the earliest.
Reagents Currently Available for Type B:B/Hong Kong/330/01 B/Hong Kong/1434/02 B/Shangdong/07/97If new strains are chosen, reagents will be available in May at the earliest.