The CDC, however, continues to state that the second dose should not be given earlier than the recommended window of three to four weeks depending on which vaccine is given. There are currently limited data on the efficacy of mRNA COVID-19 vaccines administered beyond this window. FLORIDA LIMITS COVID-19 VACCINES TO FLORIDA RESIDENTS CITING LIMITED SUPPLYHowever, despite concerns of vaccine shortage, the CDC warns that the vaccines are not interchangeable, and should not be used as such. "However, these mRNA COVID-19 vaccines are not interchangeable with each other or with other COVID-19 vaccine products," the update stated. "MRNA COVID-19 vaccines may be administered to persons who have received injectable dermal fillers who have no contraindications to vacciantion."

Source: Fox News January 22, 2021 20:45 UTC