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The urgent need for tests and therapeutics has brought companies together and pushed researchers to work at breakneck speeds.

Universities and healthcare facilities are planning to use spit tests to conduct large-scale screening.

In just a few months, researchers have constructed low-cost ventilators that can keep sedated pigs alive. Getting them to work safely and reliably in people is the next challenge.

The company behind a now-discredited study on hydroxychloroquine also posted a report that has been cited by Latin American governments recommending ivermectin as a possible coronavirus treatment. Clinicians there say the effects have been extremely damaging.

A study of 34 children hospitalized with a coronavirus infection in China reveals that fever and coughing were common, but the type of lesions typically seen in the lungs of adults with COVID-19 were rare.

The company had helped develop a tool to aid decision-making in distributing limited medical equipment among coronavirus patients, but two high-profile retractions call into question the validity of Surgisphere’s work in toto.

All authors other than company founder and CEO Sapan Desai were “unable to complete an independent audit of the data,” The Lancet states.

NEJM and The Lancet issue expressions of concern as researchers question where the company got its data on thousands of coronavirus patients.