Laboratory tests have identified that some of the pigs had porcine circovirus, a common disease that affects pigs but does not affect humans.

BBC: China pulls nearly 6,000 dead pigs from Shanghai river

The procine circovirus , which can be present in pigs but not affect humans, was detected in some tests of the dead animals, it said.

FORBES: Shanghai Dead Pig Count Hits 5,916, Government Paper Says

Authorities said one test detected a pig-borne disease in the river called porcine circovirus, but that doesn't normally affect humans, according to the U.S. Centers for Disease Control and Prevention.

WSJ: Floating, Dead Pigs Repulse Shanghai

In some ways, the most recent push for New Jersey oysters can be dated to the early 1990s, when the industry was struck by the parasitic shellfish disease known as Dermo, which didn't affect humans.

WSJ: Planting Seeds for a Better Oyster Harvest

At the center of all environmental challenges are the humans that affect them and those who are affected by them.

CNN: Opinion: We can help to save our seas but we must act now

Again, any other promoters there might be would affect its expression in plants, not in humans, because they are engineered into plants.

FORBES: Why GMO Food Opponents Shouldn't Freak Out About Cauliflower Virus DNA

When it's possible to make humans smarter, sharper, and faster, how will that affect us?

CNN: Are bionic superhumans on the horizon?