Assembling the first COVID-19 test kits in the same room as coronavirus material, along with other practices that didn’t follow protocol, made the tests unusable, officials say.

Scientists at academic labs equipped to test for SARS-CoV-2 report that multiple barriers are preventing from them from operating at full capacity.

Current methods to detect infections of the novel coronavirus rely on identifying particular genetic sequences, but new assays are being developed to meet the growing demand for rapid answers.

Administration officials have given contradictory statements about how COVID-19 will affect the US, and it is not clear who is leading the infectious disease response effort, critics say.

Some US states are waiting for the CDC to send replacement enzymes necessary for carrying out SARS-CoV-2 assays.

The US Food and Drug Administration authorizes the distribution of the 2019-nCoV diagnostic to state health departments and other facilities.

The number of cases spikes as the World Health Organization plans an emergency meeting on containing the epidemic.

The legislative package for 2020 allots $25 million for gun-violence research, which has been on hold for more than two decades.

The chemical was found in all 29 lung fluid samples tested.