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Experts believe the recently approved vaccines will remain effective against the variants, but the South African variant in particular has shown to diminish vaccine efficacy. thomas trackmaster hiro FILE - This undated colorized transmission electron micrograph file image made available by the Centers for Disease Control and Prevention (CDC) shows an Ebola virus virion. thomas trackmaster hiro Adam Schultz/Official White House)While they’re not the first dogs to live in the White House, Major is still making history as the first rescue dog to live in the residence. thomas trackmaster hiro The announcement comes after the White House this week said "all violence" will be reviewed as part of the Biden administration’s effort to combat domestic violent extremism. thomas trackmaster hiro