A new report from the United Nations says climate change is accelerating the rise of superbugs. So what exactly are superbugs? Viruses, strains of bacteria, parasites and fungi that are resistant to most antibiotics and medications aimed at treating the infections they cause are all considered superbugs. Superbugs were the cause of about 5 million deaths in 2019 and the number is expected to climb to 10 million by 2050.
Surgeons transplanted a pig’s kidney into a brain-dead man and for over a month it's worked normally — a critical step toward an operation the New York team hopes to eventually try in living patients.