 The long Covid in Scotland study, Long CISS, found that 35% of people who had been previously infected with SARS-CoV-2 experience persistent incomplete no recovery, 12% improvement and 12% deterioration at 6 and 12 months post infection. Additionally, altered taste, smell and confusion improved over time while late onset dry and productive cough and hearing problems were more likely following SARS-CoV-2 infection. This article was authored by Clare E. Hastie, David J. Lowe, Andrew McCawley and others.