
Coronavirus variants: Here's what we know
CNN
Omicron, the newest coronavirus variant, is also the quickest to be labeled a "variant of concern" by the World Health Organization because of its seemingly fast spread in South Africa and its many troubling mutations.
Its emergence has already led to travel restrictions, high-level government meetings and promises by vaccine makers to start working on strain-specific vaccines just in case.
But it has a long way to go to take over from Delta, the variant that dominates all over the world. And the long list of variants that at first frightened the world before falling off the map can be a reminder that viruses are unpredictable.

The two men killed as they floated holding onto their capsized boat in a secondary strike against a suspected drug vessel in early September did not appear to have radio or other communications devices, the top military official overseeing the strike told lawmakers on Thursday, according to two sources with direct knowledge of his congressional briefings.












