Monoclonal antibodies may require administration two to four times per year for high-risk individuals.

“if we said look this will be something that we would use to target the most high risk people presumably the elderly those with the greatest number of comorbidities and healthcare workers and I think then there's also tiers of other people who are working in close proximity to others etc etc you would come up with a list of people who probably need to receive these monoclonal antibodies on some regular frequency say two to four to per year”