US federal agencies on July 8 said that people in the US have adequate vaccinations that do not need to be repeated at this time.0 of this year. and disease prevention (CDC) and the Food and Drug Administration (FDA) (FDA) given a few hours after Pfizer and BionTech firms indicate that data from Israel shows the dose of additional vaccines is needed in About 6 months to 1 year after the first two doses due to the threat from variations.Pfizer and Biontech said they are developing an enhanced vaccine dose and expected to start clinical studies in In August when approved by the management agency. Pfizer said antibody levels may decrease after 6 months of full immunization and need to take enhanced doses to combat many variations, including Delta
. The study published in Nature magazine on July 8 shows that Delta variations can avoid unintended capital antibodies given some other SARS-COV-2 variants. Medical staff Pfizer-biontech vaccination At the vaccination center in the capital Paris - France on 7-7 photos: reuterstem enough to two doses of most vaccines is very important to develop the amount of antibodies against SARS-COV-2 variants. However, antibodies will lose gradually over time
Dr. Mikael Dolsten belongs to Pfizer told AP news agency that initial data from the company's additional dose studies showed that the antibody concentration of the doses was 5-10 times the second dose of that A few months. However, according to Straits Times, CDC and FDA, they have strict scientific processes to consider whether or not to need an additional dose. Moreover, there are currently no vaccines for most countries around the world. Global vaccine tracking houses estimate every 4 people in the world have a person who is injected at least one dose and every 10 people only have a full vaccinated person. . Dịch vụ:
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