ifection. but dr. anthony fauci says it's too soon to say whether omicron will help lead to the end of the pandemic. >> it is an open question as to whether or not omicron is going to be the live virus vaccination that everyone is hoping for, because you have such a great deal of variability with new variants emerging. >> reporter: and some experts say protection from natural infection with omicron won't last long if you are unvaccinated. >> i think what's going to happen is those individuals who have been infected and recovered and have not gotten vaccinated on top of it are going to be vulnerable to yet another wave. >> reporter: and, again, here's where you can get those free covid tests. visit the site, covidtests.gov. each household will be able to order up to four tests and they will ship out in 7 to 12 days. now, the white house says they will also launch a call line for those who don't have computer