In what Mason called the  rst city-scale genetic pro le ever, his team found meningitis at Times Square, a trace of anthrax on the handhold of a train carriage and bacteria that cause bubonic plague on a rubbish bin and ticket machine at stations in uptown Manhattan.

His team found meningitis at Times Square, a trace of anthrax on a train carriage and bacteria that cause plague on a rubbish bin and ticket machine at stations in uptown Manhattan.
