@AmericanThinker, did you catch this? it is found inside the article. "But some other experts aren’t so sure. “We still don’t know what the optimal vaccination schedule is,” Boghuma Kabisen Titanji, an infectious-disease physician at Emory University, told me. **And there’s still no consensus on what our COVID-19 vaccines are supposed to accomplish in the short or long term**. **Stamp out severe disease?** Aggressively **tamp down all infections, so that we can squelch viral spread?** In **deciding what fully vaccinated means, it would help to know “what outcomes we’re trying to prevent, and why,” Céline Gounder, an infectious-disease physician at Bellevue Hospital Center, in New York, told me. That would dictate our dosing strategies—the what, the when, the how many. "** since they started this with 0 DATA , Not knowing which direction to take ( vaccine wise) Doses and how often and how many All of that does = Experimenting