vaccines for children under five reporter: lester, the testing is underway. pfizer says they hope to have the results by the end of the year, and they couldn t come soon enough. today we had passed yet another painful milestone. more americans have died from covid-19 than from the 1918 spanish flu pandemic. lester another stunning fact from all this stephanie, thank you a major change affecting visitors to the united states for those fully vaccinated, the biden administration is lifting restrictions on travel from 33 countries. kelly o donnell is at the white house. kelly, how will this play out reporter: lester, this is a big step to re- open the skies and ease tension with close u.s. allies in europe in november foreign nationals who are fully vaccinated show a negative covid test and provide contact tracing information will be able to fly to the u.s. unvaccinated americans flying abroad will need two negative covid tests. now on booster shots, the white house is facing criti