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Figure 4 | BMC Infectious Diseases

Figure 4

From: Mutational dynamics of the SARS coronavirus in cell culture and human populations isolated in 2003

Figure 4

Relations between the Singapore patients and others related to Hotel M, Hong Kong. Contact tracing information of the Singapore patients and the two early reported SARS cases. Contact information revealed a single source of infection for Singapore patients, but molecular analysis, reported here and in (6), suggests the existence of an additional infection source (represented by dashed arrows and box) from the Hotel M case to Singapore.

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