The scientific community received preliminary good news this Monday, June 28, since A study of the University of Oxford indicated that the combination of vaccines is more effective in protecting against COVID-19.
The expert and project leader, Matthew Snape, specifically addressed the AstraZeneca and Pfizer mix and in any order of administration.
In the first run of the study, 830 volunteers were given one of four vaccine combinations. Some received two doses of Pfizer or AstraZeneca, which have been shown to be effective against Covid-19. Others received a dose of AstraZeneca, followed by a dose of Pfizer, or vice versa.
One of the downsides was adverse effects, as the researchers found that volunteers reported more chills, headaches and muscle pain than people receiving two doses of...