Lukas Schulze/Getty Images toggle caption Lukas Schulze/Getty Images A woman receives the Johnson & Johnson COVID-19 at a drive-in vaccination event last week in Meerbusch, Germany. Lukas Schulze/Getty Images The emergence of new and more infectious variants of the coronavirus has raised a troubling question: Will the current crop of COVID-19 vaccine prevent these variants from causing disease? Nature suggests the answer is yes. The research was fairly straightforward. Scientists took blood from volunteers who had received the Johnson & Johnson COVID-19 vaccine and looked at the levels of neutralizing antibodies, the kind that prevent a virus from entering cells.