AS HAS been feared ever since the epidemic died out last year, the SARS virus has reappeared in southern China. On Monday the World Health Organization confirmed that a 32-year-old man hospitalised with pneumonia in Guangdong on 20 December had the virus.
The man had not been in contact with a known carrier, which initially made the WHO reluctant to confirm the diagnosis – even though some samples revealed traces of the SARS virus, which is hard to find even in confirmed SARS patients. But by Monday the diagnosis was unavoidable, after tests revealed that the man’s levels of antibodies…
