AeroNabs nasal spray via UCSF SAN FRANCISCO - UCSF scientists have developed a nasal spray that they say could provide protection against the coronavirus.The spray is called AeroNabs and and it's self-administered by a nasal spray or inhaler once a day, the university said.Researchers say it can provide powerful protection until a vaccine becomes available.The research team is in talks with commercial partners to ramp up manufacturing and clinical testing.Scientists are hoping to make AeroNabs widely available as an inexpensive, over-the-counter medication to prevent or treat COVID-19.“Far more effective than wearable forms of personal protective equipment, we think of AeroNabs as a molecular form of PPE that could serve as an important.