omicron. fortunately at this point we just don t have the data to back up how transmissible it is, how deadly it is, not unlike what we know about the delta variant. that s why they said they have to do all these measures. then acenacted what people call the travel ban in south africa, a criticism of many, including one u.n. official calling this travel apartheid. now the obama administration starting tomorrow, their new policy rolls out where all travelers have to prove a covid-19 test the day before they travel. they have to get vaccinated as well to get into the u.s. that begins tomorrow. but there is still a big question about the vaccine, right? does the formula we have now, moderna, pfizer, j&j, does that formula work to protect us against the new variant? that s a question that dr. fauci answered today. take listen. with delta, when you get a