The original rotavirus vaccine was withdrawn from the market by its manufacturer, Wyeth Ayerst Laboratories, after only one year.
Notes on verification
Confirmed by multiple independent, authoritative sources including NEJM, CDC, and PMC, consistently describing the withdrawal timeline as about a year (Aug 1998–Oct 1999) due to intussusception risk. [tier=gold indep_score=1.0 clusters=5 claim_tier=notable]
Sources
- How Your Vaccines are Approved (seed:health_and_medicine)
- https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm (corroboration)
- https://www.nejm.org/doi/full/10.1056/NEJMe058285 (corroboration)
- https://pmc.ncbi.nlm.nih.gov/articles/PMC3484769/ (corroboration)
- https://www.sciencedirect.com/science/article/abs/pii/S0749379715005449 (corroboration)
- https://ivaccinate.org/questions/why-was-rotashield-was-taken-off-u-s-market-in-1999/ (corroboration)