Surveillance for respiratory infectious diseases caused by 6 common viruses in a recruit training site in the Northern region of China[J]. MMR, 2017,4(4):193-199.
Chen et al.: Surveillance for respiratory infectious diseases caused by 6 common viruses in a recruit training site in the Northern region of China. Mil Med Res, 2017, 4: 10
Surveillance for respiratory infectious diseases caused by 6 common viruses in a recruit training site in the Northern region of China[J]. MMR, 2017,4(4):193-199. DOI: 10.1186/s40779-017-0120-y.
Chen et al.: Surveillance for respiratory infectious diseases caused by 6 common viruses in a recruit training site in the Northern region of China. Mil Med Res, 2017, 4: 10 DOI: 10.1186/s40779-017-0120-y.
Surveillance for respiratory infectious diseases caused by 6 common viruses in a recruit training site in the Northern region of China
Recruit training sites are places with a high incidence of respiratory infectious diseases. Effective surveillance for acute respiratory infectious diseases in a recruit training site is an important way to prevent disease outbreaks.
Methods:
2
Eight hundred recruits (722 males and 78 females) enlisted in autumn 2015 received a background survey within 24h of settlement at the recruit training site
including their general personal information
vaccination history
mental status and clinical symptoms. Then
nasopharyngeal swabs of these recruits were collected to detect common respiratory pathogens [influenza virus type A
influenza virus type B
adenovirus (Adv)
human respiratory syncytial virus
human bocavirus and human metapneumovirus] by PCR. In addition
fasting venous blood was collected in the morning for Adv IgG antibody detection. During the three months of training
the recruits were monitored for symptoms of respiratory infection
and nasopharyngeal swabs were collected from those with an axillary temperature ≥38
℃
and other respiratory symptoms within 4h of symptom onset. Samples were further examined by PCR.
Results:
2
Among the 795 effective nasopharyngeal swab samples collected during survey
two cases of group C type 1 Adv were identified by PCR. During the 3 months of training
fever and respiratory symptoms occurred in 39 recruits (incidence rate of 4.9%) and 5 cases of Adv were detected (positive rate of 12.8%). Genotyping showed 3 cases of type 4 Adv and 2 of type 3 Adv. No type 7
14 or 55 Adv was detected. The Adv-IgG positive rate of recruits was 48.2%. Among the 5 Adv positive cases with fever and respiratory symptoms
4 were Adv-IgG positive.
Conclusion:
2
The pathogen carrier rate in recruits was low
and only group C Adv
which causes mild infection in humans
was detected. No respiratory outbreak was observed at the recruit training site
and sporadic cases were mainly caused by type 3 and type 4 Adv.
关键词
Keywords
references
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