The phase I trial in healthy adult volunteers began in April. More than 1,000 immunisations have been completed and follow-up is currently ongoing.
The next study will enrol up to 10,260 adults and children and will involve a number of partner institutions across the country.
The phase II part of the study involves expanding the age range of people the vaccine is assessed in, to include a small number of older adults and children:
• Aged 56-69 • Aged over 70 • Aged between 5-12 years