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David Greenberg, M.D.

Are we really in a race against the COVID-19 variants?

The excitement surrounding COVID-19 vaccines has been tempered by the emergence of several variants of the SARS-CoV2 virus. UT Southwestern infectious diseases expert David Greenberg, M.D., has been tracking the variants and the vaccines' effectiveness against them.

Closing in on a COVID-19 vaccine: See the science behind it

Why has it taken so long to develop a COVID-19 vaccine? The complex process of isolating the virus, producing antibodies, and testing a vaccine usually takes years. See how science has move so quickly during the pandemic.

Searching for the Holy Grail of COVID-19

The world’s scientists and physicians, including many of at UT Southwestern, have rallied together to conduct clinical trials and research around COVID-19. David Greenberg, M.D., an infectious and geographic medicine expert, shares recent discoveries and offers a glimpse at what a vaccine might look like.