Future mRNA vaccine technology might permit for one vaccine to provide protection in opposition to multiple diseases, thus decreasing the variety of pictures wanted for cover against common vaccine-preventable ailments. MRNA vaccines have been studied earlier than for flu, Zika, rabies, and cytomegalovirus . As soon as the required details about the virus that causes COVID-19 was available, scientists began designing the mRNA directions for cells to build the distinctive spike protein into an mRNA vaccine. However, researchers have been studying and working with mRNA vaccines for many years. The White House announced that vaccines shall be required for worldwide vacationers coming into the United States, with an effective date of November 8, 2021.
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