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Sen Ron Johnson: The 180-Degree Turn on the COVID Lab Leak Theory

US Begins Study on Mixing COVID-19 Vaccines, Booster Shots

US Begins Study on Mixing COVID-19 Vaccines, Booster Shots The National Institutes of Health (NIH) announced Tuesday that it has started a clinical trial of adults fully vaccinated against COVID-19 receiving a different booster shot approximately three to four months later. The study will determine the safety and immunogenicity of mixed booster regimens against COVID-19, the disease caused by the CCP (Chinese Communist Party) virus, and emerging variants. Some 150 adults who have received one of the three COVID-19 vaccines currently available under the Food and Drug Administration’s (FDA) emergency use authorization in the United States will take part in the trial, the NIH said.

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