The FDA approved a rotavirus vaccine in fall 1998, but by July 1999 the CDC recommended it not be used due to increased cases of intussusception among vaccinated children.
Sources
- How Your Vaccines are Approved (webmd.com)
- https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm (cdc.gov)
- https://pubmed.ncbi.nlm.nih.gov/15343145/ (pubmed.ncbi.nlm.nih.gov)
- https://archive.cdc.gov/www_cdc_gov/media/pressrel/r990715.htm (archive.cdc.gov)
More in Science
- The 2009 paper 'An Independent Evaluation of the Younger Dryas Extraterrestrial Impact Hypothesis' was published in Proceedings of the National Academy of Sciences on October 27, 2009, spanning pages 18155 to 18158.
- The gluteus maximus is the largest muscle in the human body and is the main muscle used to help walk upstairs.
- The researchers' experiment involved balls bouncing as if on a racquetball court, with participants watching the animation until the balls vanished and then predicting when they would have reached the ground.
- Some ancient South American individuals whose DNA was analyzed were genetically linked to people of the Clovis culture.
- A fossil snail found in sediment layers beneath the glyptodont skeleton at the same site was previously dated to about 32,000 years old.
- The La Niña following the unusually strong 1997/98 El Niño lasted 33 months and spanned three winters.