Illustrative image (Photo: VNA) Hanoi (VNA) – Two COVID-19 vaccines Nano Covax andCovivac, which were studied and developed in Vietnam, have proved to be safeand effective in the first and second clinical trials.
A total of 551 volunteers were given the second Nano Covaxshots in the second stage, including 280 in Long An and 271 in Hanoi while 66received the first Covivac shots in the first stage. The remaining nine inHanoi will be vaccinated this week.
Nano Covax trial aheadof schedule
According to the Military Medical University, all volunteersreceiving two Nano Covax shots in the second stage are in normal conditions. Onlysome of them suffered slight reactions such as swelling and muscle and jointpain, but the reactions quickly disappeared after resting.
At the end of the first clinical trial of Nano Covax, allparticipants were safe and produced a high concentration of antibodies. Thevaccine proved effective on new variants of SARS-CoV-2 like those found in theUK.
In the current second stage, the vaccination is expanded tothe elderly and those with underlying diseases. As many as 108 senior citizenswere inoculated, with the oldest 76 years old. After vaccination, they had onlyslight reactions and showed no abnormal symptoms.
Results of the second stage of Nano Covax clinical trials arescheduled to be announced in late April, with optimistic prospects. The vaccineis expected to enter the third clinical trial in early May.
Based on results of two stages of trials so far, all expertssaid with optimism that the third stage will be completed at the end of thethird quarter, three months ahead of the initial plan.
Covivac trial: first stageto end soon
Covivac, which was developed by the Health Ministry’sInstitute of Vaccines and Medical Biologicals, is in the first stage of clinicaltesting by the Hanoi Medical University’s Centre of Clinical Pharmacology.
Since March 15, 66 volunteers have been vaccinated. Theirslight reactions like swelling in injected area and headache disappeared within24 hours after injection.
The remaining 54 volunteers will get the first shots fromnow to April 18.
The interval between the first and second shots is 28 days.
Six volunteers, who received the first shots on March 15,will become the first to be given the second shots on April 12./.
VNA
