CVS Health Corp. on Wednesday lifted its full-year adjusted earnings forecast after robust demand for COVID-19 vaccinations and tests helped the U.S. healthcare conglomerate beat analysts’ estimates for third-quarter profit. Rival Walgreens Boots Alliance also signaled a boost from higher demand for vaccinations following the spread of the Delta variant. CVS said it had administered more than 8 million COVID-19 tests and more than 11 million COVID-19 vaccines in the third quarter. The company had in August cut its 2021 expectations for the number of COVID-19 vaccine doses it would administer at its clinics to a range of 32 million to 36 million, from its prior view of 29 million to 44 million doses, reflecting a slowdown in vaccinations during the second quarter. CVS, best known for its large chain of drugstores across the United States, also operates a health insurance business, and a pharmacy benefits management unit, which helps …