The Moderna laboratory vaccine offers encouraging results with an effectiveness rate of over 94% as the entire world enters a dark new phase of the pandemic.
Meanwhile, dozens of other vaccines continue in the race to achieve satisfactory results in the clinical research phase.
Dr. Joseph Varon, medical director of the United Medical Center hospital in the city of Houston, Texas, spoke with Guillermo Arduino about the vaccination schedule and the status of hospitals amid a new wave of infections in the United States.