India quarantines man over Ebola sex risk However presence of virus in his semen samples may have the possibility of transmitting the disease through sexual route up to 90 days from time of clinical cure. It is the first known case of its kind in India, which the ministry said was "under control and there is no need for any alarm." The ministry said the man did not have any symptoms of the disease, but would be kept in isolation until his body fluids showed no trace of the virus The World Health Organisation (WHO) announced on Friday that the outbreak - almost entirely confined to west Africa - has killed 5,177 people and infected about 14,500 since the outbreak erupted in Guinea in December. The death rate in west Africa from the virus has reached around 70 per cent, the WHO said Tuesday. A surgeon who was infected with Ebola while working in his native Sierra Leone died on Monday in the United States after being transferred there for treatment, becoming the second patient in that country to succumb to the virus.