Scientists at the University of Pittsburgh and the University of Louisville are working on a nasal spray they say can help to prevent COVID-19 infections. The spray could be beneficial to health-care workers and others who are at high risk of exposure to SARS-CoV-2.
But after months of work, development of the spray is now on hold owing to a lack of money—a common problem among drug-developers as more and more possible coronavirus vaccines and therapies compete for a limited pool of research funding.
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