Mayo Clinic: Likely that Two-Dose Covid-19 Vaccine Will Be Needed

The transcript discusses the timeline and challenges of COVID-19 vaccine development and distribution. It covers the ongoing phase three trials, the expected timeline for widespread vaccine availability, and the potential need for annual vaccinations due to antibody response and virus mutation. Additionally, it highlights the logistical challenges countries face in preparing for mass vaccine distribution, including the need for increased production of medical supplies and training of healthcare workers.

How long do phase three trials for vaccines typically take according to the text?

What are the key steps involved in the vaccine distribution process mentioned in the text?

What factors could affect the longevity of antibody responses after vaccination?

What preparations should countries make for the distribution of a vaccine in the coming months?

What challenges are highlighted regarding the global distribution of vaccines?