The White House and top health officials indicated Tuesday that a pause on the Johnson & Johnson single-shot COVID-19 vaccine won’t have a lasting or significant impact on the federal government’s vaccination plan. Earlier in the day, the Food and Drug Administration (FDA) and Centers for Disease Control (CDC) recommended a pause on the vaccines after reports of rare blood clots among recipients. The agencies are investigating blood clots in six women days after they got the shot. Acting FDA chief Dr. Woodcock told an online news conference later that she believes the J&J vaccine ban will last a matter of days, while Jeff Zients, President Joe Biden’s virus response coordinator, said in a statement that “this announcement will not have a significant impact on our vaccination plan.” The “Johnson & Johnson vaccine makes up less than 5 percent of the recorded shots in arms in the United States to …