Stories by David Cyranoski

Mobile phone data suggest restaurants, gyms and cafés can be COVID hotspots—and reveal strategies for limiting spread

China has promised vaccines to many countries, but whether it can meet its commitments is unclear

U.K. trials of the Oxford and AstraZeneca vaccine have resumed after a brief pause, yet key details of the events have not been released

Scientists urge caution in the global vaccine race as AstraZeneca reports an “adverse event” in a person who received the University of Oxford vaccine

SARS-CoV-2 came from an animal, but finding which one will be tricky—as will laying to rest speculation of a lab escape

Other countries on lockdown will be watching for a resurgence of infections in Hubei province now that travel restrictions are lifting

Researchers say that excluding these people could conceal the epidemic’s true extent, but others say the practice makes sense

A genetic analysis suggests a reptilian reservoir, but researchers doubt the coronavirus could have originated in animals other than birds or mammals

A Chinese court sent a strong signal by punishing He Jiankui and two colleagues

Japan has turned regenerative medicine into a regulatory free-for-all. Patients across the world could pay the price

Denis Rebrikov says that he does not plan to implant gene-edited embryos until he gets regulatory approval

The research could eventually lead to new sources of organs for transplant, but ethical and technical hurdles need to be overcome

The proposal follows a Chinese scientist who claimed to have created twins from edited embryos last year

An investigation by Chinese authorities found He Jiankui broke national regulations in his controversial gene-editing work

The gene targeted for its role in HIV is linked to increased severity of other infectious diseases—and has implications for learning in mice

Startling human-genome editing claim leaves many open questions, from He Jiankui's next move to the future of the field

A man in his 50s is the first of seven patients to receive the experimental therapy

Draft guidelines permit gene-editing tools for research into early human development, but would discourage manipulation of embryos for reproduction

Privacy concerns, cultural differences fuel skepticism about this approach in other settings

Three patients in Japan will receive the experimental therapy in the next year 

China’s move is expected to complement other countries’ related initiatives

The latest findings also suggest a new outbreak could occur

Beam generator puts country in elite company for doing experiments in materials science and other fields

The intricate work hints at a cure for a blood disease