How have the first patients fared after receiving organ transplants from genetically modified pigs? Roni Caryn Rabin, a health reporter on the Science desk of The New York Times, looks at the results so far.

Some scientists are confident that organs from genetically modified pigs will one day be routinely transplanted into humans. But substantial ethical questions remain.

© Kevin Serna for The New York Times

Clinical trials have been delayed, contracts canceled and support staff fired. With deeper cuts coming, some are warning of potential harms to veterans.

© Kaiti Sullivan for The New York Times