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Antibody confirmed discharged case Minhang District
On April 15, the City Health and Family Planning Commission, then the national CDC letter informed case samples submitted to the national CDC Shanghai Fifth People's Hospital in late March, detected four cases of human infection with the H7N9 avian influenza virus-positive cases. Isolated from samples of which 2 cases of human infection with the H7N9 avian influenza virus, 2 cases of convalescent serum antibody titers were more than four times higher