Mongering about the pandemic. >> talking about delta today for tomorrow will be lambda. >> multiple variants, delta and lambda and we are seeing it through. >> something we need to keep an eye on, potential impact to more transmissibility, severity of illness. laura: i forgot my scuba suit again. professor of medicine at stanford and yale epidemiology professor. the lambda variant sound like an old 80s punk rock band but we are supposed to panic, hide and never come out of our homes again, what do we need to know about this? >> there's no evidence it's more deadly than any other version of