Social media fact check: March 20, 2021

A sign for the Gold Spa massage business in Atlanta, seen Wednesday, the day after multiple people were killed at three massage spas in the Atlanta area. Stories circulating online incorrectly assert that on Tuesday, hours before police say Robert Aaron Long, 21, killed eight people at three Atlanta-area massage businesses, he posted on his Facebook that China was engaged in a “COVID coverup” and “AMERICANS NEED TO FIGHT BACK AGAINST CHINA, NOW.” But the post is not authentic. (AP Photo/Ben Gray)

Syringes are filled with the Moderna COVID-19 vaccine at a pop up site in New York on Thursday. Stories circulating online incorrectly assert COVID-19 vaccines contain aluminum, a toxic ingredient that enters the brain and causes disease. The COVID-19 vaccines that have been authorized for emergency use in the United States do not contain any aluminum, according to their ingredient lists. (AP Photo/Mary Altaffer)

A migrant family wearing face masks crosses the border Feb. 26 into El Paso, Texas, in Ciudad Juarez, Mexico. Stories circulating online incorrectly assert President Joe Biden is not screening immigrants for COVID-19 at the border and is allowing “everyone in no matter what.” AP Photo/Christian Chavez

President Joe Biden speaks to members of the press on the South Lawn of the White House Tuesday before boarding Marine One for a short trip to Andrews Air Force Base, Md., en route to Pennsylvania. Stories circulating online incorrectly assert a video of President Joe Biden was digitally altered, but the interaction between Biden and reporters was documented by multiple cameras, and the video in question was not altered. (AP Photo/Patrick Semansky)

A roundup of some of the most popular but completely untrue stories and visuals of the week. None of these are legit, even though they were shared widely on social media. The Associated Press checked them out. Here are the facts: