is not going to cut it as a headline. many joining me now is cnn's medical analyst dr. jonathan reiner, who's been cautioning against all of this speculation. doctor, should this be the leader story right now? >> i think it should not be the lead story right now because it's a story that is based entirely on speculation. >> but the dow dropped almost 1,000 points on friday. >> right. because the speculation was all bad. so this is what we know. we know that this variant contains literally dozens of mutations. and when evolutionary biologists look at these mutations, they worry the variant could have increased transmissibility or increased verlants or univague, meaning they can evade antibodies produced by vaccines or prior infections, but the truth is we have no idea when