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. 2005 Aug 19;35(2):179–184. doi: 10.1016/j.jcv.2005.07.005

Fig. 1.

Fig. 1

(a and b) Median anti-SARS-CoV IgG titres in patients with different disease severities within first 4 weeks of illness. ICU: intensive care unit; O2-therapy: oxygen supplement required to maintain oxygen saturation >95%; IFA: indirect immunofluorescence assay.