An Extension Study to Evaluate the Long-Term Safety and Clinical Activity of mRNA-3705 in Participants Previously Enrolled in Other Clinical Studies of mRNA-3705

Inclusion Criteria: * Completed the assigned dose regimen treatment time period in other clinical studies of mRNA-3705 or is eligible for early transition to this study because they missed more than 3 consecutive doses of study drug due to coronavirus disease 2019 (COVID-19) vaccination during Study mRNA-3705-P101 Part 1. * Completed the End of treatment (EOT) Visit (or End of Study Visit in the case of unscheduled dosing) in Study mRNA-3705-P101 within 10 days of their first dose of mRNA-3705 in this extension study. Exclusion Criteria: * Not expected to receive clinical benefit from continued mRNA-3705 administration, in the opinion of the Investigator. * Any clinical or laboratory abnormality or medical condition that, at the discretion of the Investigator, may put the individual at increased risk by participating in this study. * History of liver and/or kidney transplant. NOTE: Other inclusion and exclusion criteria may apply.