A University of Arizona-led research study shows COVID-19 vaccines are highly effective in the real-world and vaccinated people likely do not carry or spread virus.
A University of Arizona-led research study shows COVID-19 vaccines are highly effective in the real-world and vaccinated people likely do not carry or spread virus.
A new study has found that COVID-19 patients who are overweight or obese are more likely to develop a more severe infection than..