The team from the Institute of Immunoprophylaxis, Beijing Center for Disease Prevention and Control published an experimental study entitled “Evaluation of the preservation effect of a transfer medium for Streptococcus pneumoniae” in China Public Health (Vol. 28, No. 10, October 2022). The study evaluated the preservation effect of a transfer medium, skim milk tryptone glucose glycerol (STGG), on Streptococcus pneumoniae, and revealed that STGG medium was more effective than THY freezing solution, and -80°C was more favorable for the preservation of Streptococcus pneumoniae in STGG medium.
Factors associated with timely vaccination of pertussis-containing vaccines in children born from 2019 to 2023, Shanghai
This study was conducted by Prof Weibing Wang and his team from Fudan University and published in Chinese Journal of Epidemiology. The study analyzed t factors associated with timely vaccination of pertussis-containing vaccines in children born in Shanghai from 2019 to 2023. The results showed that the average vaccination coverage rate was as high as 94.71%-99.53%, but the timely vaccination rate decreased with the increase of doses. The study concludes that pertussis-containing vaccine(DTaP-Hib and DTaP-IPV-Hib)are commonly used and substitute the NIP DTaP vaccine in Shanghai, with high coverage and timely vaccination rates, but some children experience delayed or missed vaccinations, warranting ongoing attention.