Another suspected case of SARS emerged in southern China today as international medical investigators scoured an apartment block to determine if it played any role in the infection of a man who lived there – the season’s only confirmed case of the virus so far.

THE Severe Acute Respiratory Syndrome (SARS) virus returned to haunt China for the first time in six months as a suspected case in southern Guangdong province was upgraded to a confirmed case by senior health officials.