Cross Vector News Today

>> so the question is what degree of effectiveness -- >> sorry. i just wanted to -- yeah, theres 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 wasnt enough? >> so that waning was a cross vector. and its showing people who had a response, people who are immunoco immunocompromised, et cetera. but that waning did not occur amon...