Texas’ Chief State Epidemiologist says nearly 99% of the state population has developed at least some immune response to COVID-19. However, other public health experts caution the virus can be unpredictable.
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In adults who had previously received a full regimen of a COVID-19 vaccine approved or authorized by the Food and Drug Administration (FDA), an additional dose of any of these COVID-19 vaccines was safe and prompted an immune response, according to study findings published Jan. 26 in The New England Journal of Medicine.