There are different stages to loss of smell, but what is most commonly reported as a COVID-19 symptom is a complete loss of smell or anosmia. Dr. Eugene Chang, a surgeon-scientist and the vice-chair of the UArizona otolaryngology department at the College of Medicine - Tucson, explains why the loss of smell is one of the first symptoms that can present with COVID- 19 infection.

Now that multiple COVID-19 vaccinations are on, or are soon to be on the market, there's a percentage of efficacy attached to each of them. Pfizer and Moderna are promising about 95% protection after two doses. And Johnson and Johnson is promising 66% after one dose. But what does that actually mean? "It's not like me, myself, now has 66% immunity. It's more of a population measure," says Dr. Deepta Bhattacharya, University of Arizona College of Medicine. It comes down to clinical trials.

The University of Arizona has been studying COVID-19 since the pandemic began. Dr. Jeff Burgess, an Associate Dean for Research and Professor in the College of Public Health, has been leading a study that has followed more than 2,500 people throughout the pandemic. Dr. Burgess has been examining the risk of reinfection to those who are in high-risk environments like nurses and first responders.

The antibody test developed by the UArizonaHealth Sciences research team can be used to confirm a positive antibody response after receiving a COVID-19 vaccine.

A public health research team is providing guidance to beauty, auto shop owners in Spanish-speaking areas to reduce COVID-19 infection risks.

Immunobiologist Dr. Deepta Bhattacharya answers common questions about what to expect after receiving the COVID-19 vaccine.

Vaccination efforts are racing against community spread of COVID-19. As more people become eligible for vaccination, Deepta Bhattacharya, an immunobiologist at the University of Arizona College of Medicine - Tucson, answers common questions about what to expect after the shot.

The ongoing pandemic has given rise to a significant and alarming trend of increased alcohol use and abuse – especially among younger adults, males and those who have lost their jobs – according to a new study by University of Arizona Health Sciences researchers.