Philly is ‘yellow’ now. Is it ready?

Too many cases and hollowed-out public health budgets leave officials to ask even more of the people who get sick.

Philly’s contact tracing efforts indicate the virus is primarily spreading among household and family members, and even small gatherings or travel with friends.

Of the positive cases interviewed by contact-tracers, more than 40% believed they knew the person who they got the infection from, usually a household member.