Eligible volunteers should be healthy or with mild illnesses and in stable condition, haven’t been infected with Covid-19, and ready to undergo four check-ups during the research process. Besides, their latest Covid-19 vaccine dose administration must be at least three months prior to the trials.
The recruitment will last from now through April 30, she noted, adding that the trials are scheduled to last for one year since the spray administration, and the interval between two doses is 14 days.
The first- and second-phase clinical trials have proved this nasal spray vaccine is safe and good in immune response generation, according to Thuy.
Apart from Vietnam, the third-phase trials of this vaccine are also being carried out in four other countries, namely Colombia, the Philippines, South Africa, and Indonesia.
