tnscovid092122.jpg
At the University of Pennsylvania, Garima Dwivedi analyzes serum from mice that have been vaccinated against multiple coronaviruses.
At the University of Pennsylvania, Garima Dwivedi analyzes serum from mice that have been vaccinated against multiple coronaviruses. Tribune News Service
At the University of Pennsylvania, Garima Dwivedi analyzes serum from mice that have been vaccinated against multiple coronaviruses.