CNN CNN Newsroom Live September 18, 2021 09:49:00
>> so the question is what degree of effectiveness -- >> sorry. i just wanted to -- yeah, there's a lag there. i just wanted to jump in when you talk about the data because there was data from pfizer saying immunity waned after six months. israeli scientists presented evidence, supporting the need for boosters. that wasn't enough? >> so that waning was a cross vector. and it's showing people who had a response, people who are immunoco immunocompromised, et cetera. but that waning did not occur among the younger, healthier patients. so that's one aspect to consider. and the metrics with symptom...
Source: archive.org