data, this is from a cdc registry of pregnant women, women breast-feeding who want to get pregnant, it confirms the benefit of the vaccine at any stage in pregnancy, of course talk to your doctor, is beneficial. we're confirming research that it can help the newborn, the baby. catty kay? >> why did it take the cdc this long? i remember speaking to pregnant friends of mine back in march, april, when the vaccine first became available and doctors had been telling me that pregnant women should be getting them. that's three or four months before the cdc weighed in with this guidelines. shouldn't they have moved earlier on this? >> yeah, look, i think that all of us would like to see the cdc move earlier. but what they did was really try to make sure when they put out a statement that says you have the