Building A Handheld HIV Detector

Only clinics in big cities can afford the blood work equipment that allows doctors to monitor the disease’s progression and treat it early and effectively. Doctors in rural areas often prescribe treatment based only on the visible symptoms their patients show. Responding to this need, researchers at California company Palo Alto Research Centre have shrunk the laser technology inside large laboratory machines down to about the size of an iPod. Their cheap, handheld device promises to provide an immune system check-up on the spot and in less than 10 minutes