An Epidemiological Analysis of 13 Respiratory Pathogens in 3 643 Hospitalized Children in Hefei Area
Objective To analyze 13 types of respiratory pathogens in hospitalized children in Hefei area.Methods A total of 3 643 respiratory virus samples from Anhui Provincial Hospital for Infection from September,2020 to September,2023 were selected for the analysis,and 13 types of respiratory virus were detected by multiple reverse transcription polymerase chain reaction(RT-PCR),including Influenza A virus(InfA),influenza A Virus H1N1 virus(H1N1),influenza A virus H3N2(H3N2),parainfluenza virus(HPIV),metapneumovirus(HMPV),Mycoplasma pneumoniae(MP),respiratory syncytial virus(HRSV),adenovirus(HADV),rhinovirus(HRV).Epidemiological characteristics of Boca virus(Boca),Chlamydia(Ch),influenza B virus(InfB)and coronavirus(HCOV)were investigated.Results Among 3643 samples,a total of 2222 were positive,and the positive rate was 60.99％;354 were mixed virus infection,and the positive rate of multiple infection was 9.72％;1868 were single virus infection(except Inf A was not detected)and the positive rate was 51.27％.There were 1299 positive cases of respiratory virus in males(60.96％)and 923 positive cases of respiratory virus in females(61.04％).There was no statistical significance in the positive rate of infection in boys and girls.The infected patients mainly concentrated in the＜1-year-old group(61.94％).MP and HRV were the main detected pathogens during summer(24.79％and 12.39％),while HRSV and MP were the main detected pathogens in autumn(15.09％and 14.30％),and HRSV was the highest detected in winter(19.05％).Conclusion The current study shows that respiratory viral infections are highly prevalent among hospitalized children in Hefei area.MP,HRV and HRSV are very prominent important pathogens of respiratory tract infection in past years,and respiratory tract virus infection is related to the age and seasonal distribution of children.These findings can provide a strong evidence for the clinical diagnosis and treatment and rational drug use of hospitalized children with respiratory tract infection in Hefei area.
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