Dr. George Pavlakis, Chief of the Human Retrovirus Section, Vaccine Branch, Center for Cancer Research, National Cancer Institute, USA spoke to MEGA television, about the course of the pandemic and the vaccines.
The advent and rapid prevalence of the Omicron strain demonstrates the potential of SARS-CoV-2 to evolve its ability to transmit and cause disease. What is particularly surprising, however, is that the origin of the Omicron strain does not appear to have originated from any of the dominant SARS-CoV-2 variants such as the Alpha, Beta, Gamma or Delta strains.
About 20,000 deaths from complications of Covid-19 were prevented by vaccination against the coronavirus infection, according to a new pre-published study by professors Sotiris Tsiodras and Theodoros Lytras, conducted during the period 11 January 2020 - 8 December 2021.