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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: Characterisation of a household norovirus outbreak occurred in Valencia (Spain)

Fig. 2

NoV-specific IgG antibody titers and blocking activity of sera from members of a household suffering an acute gastroenteritis outbreak. ELISA plates were coated with NoV VLPs from GII.4-Den Haag_2006b variant to determine the antibody titer according to the secretor (Sese or SeSe) or non-secretor (sese) status. The positive control corresponds to a convalescent serum from another independent gastroenteritis sporadic case. a The upper panel of the figure represents the blocking percentage of the convalescent sera (14 days), from secretors (SeSe and Sese) and non-secretors (sese), that were tested at serial dilutions 1/100, 1/200, 1/400, 1/800 and 1/1,600 (black to clear grey). A percentage higher of 50 % of inhibition was considered as blocking activity. b The lower panel shows the IgG titer against GII.4-Den Haag_2006b VLPs at 2 different times: 14 days (black) and 1 year (grey)

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