Though a COVID-19 vaccine is likely still more than a year away, according to experts, concerns over mandatory vaccinations have spread throughout the anti-vaxxer community in Texas, which is one of the largest in the nation. In recent years, prominent voices in the anti-vaxxer movement have settled in and around Austin, and a vocal Facebook group formed a political action committee, Texans for Vaccine Choice. This school year, nearly 73,000, or 1.35 percent, of Texas students opted out of getting at least one required vaccine for nonmedical reasons, according to the Texas Department of State Health Services. That number does...