| Clue | Source | Date |
|---|---|---|
| Biotech firm known for vaccines | LA Times Daily | 18 Oct 2025 |
| COVID-19 vaccine maker | Commuter | 10 Sep 2025 |
| Spikevax manufacturer | ||
| Major vaccine maker | Newsday | 15 Feb 2024 |
| Vaccine maker | Eugene Sheffer | 28 Sep 2022 |
| Pharmaceutical company whose Nasdaq symbol is MRNA | New York Times | 21 Aug 2022 |