european stock markets fell 1.5% off the back of that, a measure of the questions and doubts omicron is raising. but there's not scientific unanimity on this variant. here's one leading immunologist. i do strongly recommend that people get vaccinated and, if they are eligible, that they get boosted. we are still dealing primarily with the delta variant. we don't know whether or not omicron will take off in the rest of the world. but if it does, chances are that the vaccines will still be effective against it — the vaccines have been effective against all the variants so far for the most part. this one looks like it could be a larger problem for vaccines than any of the other previous variants, and that is based on the mutations that are found in the spike protein of this variant. but there is still a very good