This is a quote from a cdc doctor. we have been struck when reviewing the cases by how rapidly patient status deteriorates and results in death. so this is the bottom line, moving forward, get a pfizer moderna, do not get johnson & johnson. if you already had johnson & johnson, unless you had it quite recently, there really is no reason to worry. even if you had it within the past two weeks, these are rare events. if you're concerned at all, look online and see the cdc has put out what signs to look for. jim? >> all right, good to know, elizabeth cohen, thanks so much. experts are warning th...