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Coronavirus Vaccine tracker: UK holds talks to roll out Covid19 vaccine in December, WHO facing financial dilemma Antibody levels were also lower in those aged 60-80 years compared with those aged 18-59, they said. The BBIBP-CorV vaccine used in the study is based on a sample of the virus that was isolated from a patient in China. Stocks of the virus were grown in the lab using cell lines and then inactivated using a chemical called beta-proprionolactone. BBIBP-CorV includes the killed virus mixed with another component, aluminium hydroxide, which is called an adjuvant because it is known to boost immune...
