What other factors come into play with vaccination rollout other than just the development of the vaccine itself?

Which of the following is NOT true about Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) and the disease it causes? Which option is the answer: 1. During Coronavirus Disease (COVID-19), a person is the most highly infectious for others during the period of peak viral load and symptoms 2. As it is transmitted through the global human population, the virus is highly genetically stable and does not change 3. Some people who become infected with SARS-CoV-2 will not develop signs and/or symptoms of disease 4. The severity of disease varies greatly, depending on age and/or underlying predisposing conditions 5. Emerging SARS-CoV-2 variants may sometimes be more transmissible than previous strains

Describe the sources and uses of artificial passive immunizationand artificial active immunization or vaccination.

What are some potential barriers to vaccination?