As with most precision equipment, microgram scales are usually very expensive. The close tolerance machining of sapphire pivots and computer control add to the cost. Not all of those components are ...
A 50-microgram dose increased antibodies by roughly 37-fold, and a full dose of 100 micrograms was even more powerful, the company said. By Apoorva Mandavilli A booster shot of the Moderna coronavirus ...
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