Ómicron: how it works, what is known about it and what we need to learn from this variant
One dose of AstraZeneca’s Covid-19 vaccine. Photo: DANIEL MUNOZ / AFP / Getty Images “Everything is riskier now because Omicron is much more contagious”Emphasizes the doctor who directs the analysis laboratory at Houston Methodist Hospital, S. Wesley Long. The doctor, quoted by The Associated Press, admits that in recent days he has already canceled several …