After just becoming a COVID-19 vaccine hub earlier this month, Llano County officials had to cancel two of its vaccine clinics last week after the federal government ordered a pause on the distribution of the Johnson & Johnson vaccine. Starting April 8, the county had planned to distribute 800-1,000 doses a day of the J&J vaccine as one of the regional vaccine hubs designated by the Texas Department of State Health Services. “The hub has been suspended,” said Dr.