The Ministry of Health has agreed to let provinces and cities decide on their own to shorten the distance between two doses of AstraZeneca vaccine against Covid-19, but must be based on the recommendations of the World Health Organization, manufacturers and guidelines. guidance from the Ministry of Health.
How long is the interval between 2 doses of AstraZeneca vaccine?
Regarding the proposal of Long An and Ho Chi Minh City on shortening the distance between two doses of AstraZeneca vaccine, on the afternoon of September 20, the Ministry of Health sent an official dispatch to the health departments of provinces and cities directly under China. nurse.
The document signed by Deputy Minister Do Xuan Tuyen clearly states that the health departments base themselves on the recommendations of the World Health Organization, the instructions of the manufacturer and the Ministry of Health on the vaccination schedule, the protective effect when giving the injection. 2 to advise the People’s Committee of the province and city on the interval between two doses of AstraZeneca vaccine.
The minimum time between two doses of AstraZeneca vaccine must ensure compliance with the manufacturer’s instructions and be appropriate to the epidemic situation, meeting the epidemic prevention.
Specifically, the Ministry of Health said that according to the instructions for use of the vaccine manufacturer AstraZeneca, after the first dose, from the 22nd day, the protective effectiveness of the vaccine reached 69.2%. Less than 6 weeks after the second injection, the effectiveness reached 55.1%. After 6-8 weeks, this rate is 59.7% and after 12 weeks it reaches 80%.
According to the World Health Organization, the interval between two doses of AstraZeneca vaccine is 8 to 12 weeks. The Ministry of Health has instructed to give 2 doses of AstraZeneca vaccine or vaccine manufactured by Pfizer for people who have received the 1st dose of AstraZeneca vaccine after 8-12 weeks from the date of vaccination.
According to the document of the Ministry of Health, after being approved by the People’s Committee of the province and city to shorten the time interval between two injections, the Department of Health guides the vaccination facilities to plan and list the subjects. injecting and fully informing people when administering vaccination about the effectiveness and safety for people to know and participate (if consent is given by the injector).
The minimum time between two doses of vaccine must ensure compliance with the manufacturer’s instructions and be suitable for the epidemic situation, meeting the epidemic prevention and control.