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2021 Vol. 3, No. 15

Preplanned Studies
Effect of Earlier Vaccination and a Two-Dose Varicella Vaccine Schedule on Varicella Incidence — Beijing Municipality, 2007–2018
Dan Zhao, Luodan Suo, Li Lu, Jingbin Pan, Xinghuo Pang, Wei Yao
2021, 3(15): 311-315. doi: 10.46234/ccdcw2021.085
Abstract(7096) HTML (633) PDF 396KB(38)
Abstract:
What is already known about this topic?

The World Health Organization (WHO) varicella vaccines position paper states that countries where varicella is an important public health burden could consider introducing varicella vaccine (VarV) in the routine childhood immunization program (1). VarV has been available for many years in China but is not included in most routine immunization programs in China. As a result, substantial heterogeneity in vaccination coverage exists across regions.

What is added by this report?

In Beijing, adding a second dose of VarV for children and increasing coverage reduced the incidence of varicella. Lowering the age of the first dose of VarV to 12 months could further reduce varicella, especially among toddlers.

What are the implications for public health practice?

Governments should use economic analysis to consider inclusion of VarV into the routine children immunization program as a free vaccine and adopting a 2-dose schedule that starts at 12 months of age.

Spatial Analysis of People Living with HIV/AIDS Transmitted Through Commercial Heterosexual Contact or Non-Marital Non-Commercial Heterosexual Contact — China, 2018
Zhilong Dong, Xiaohong Pan, Chang Cai, Qianqian Qin, George F. Gao, Fan Lyu
2021, 3(15): 316-319. doi: 10.46234/ccdcw2021.086
Abstract(7688) HTML (537) PDF 295KB(47)
Abstract:
What is already known about this topic?

Significant changes in human immunodeficiency virus (HIV) transmission modes have occurred in China, and the proportion of heterosexual transmission increased in recent years.

What is added by this report?

The proportions of diverse transmission routes and subgroups of heterosexual transmission were analyzed by provincial-level administrative divisions (PLADs), and nationwide spatial clustering of HIV transmission through commercial heterosexual contact (CHC) and non-marital non-commercial heterosexual contact (NMNCHC) was explored.

What are the implications for public health practice?

This report provides evidence for geographic clustering of HIV transmission through CHC and NMNCHC in China and identifies priority regions where specified research and targeted HIV prevention and control strategies should be implemented.

Effect of Heart Rate on Major Adverse Cardiovascular Events in Hypertensive Patients with Different Ages and Genders
Yang Xi, Ningling Sun
2021, 3(15): 320-322. doi: 10.46234/ccdcw2021.084
Abstract(8178) HTML (612) PDF 333KB(26)
Abstract:

What is already known on this topic?

The increase of heart rate will increase blood pressure, and the cardiovascular risk will increase when heart rate >80 beats/min (bpm) in patients with hypertension.

What is added by this report?

Compared with patients who were female, <65 years old, and with hypertension, patients who were male, ≥65 years old, and with hypertension had the lowest risk of major adverse cardiovascular events (MACE) at baseline heart rate (HR) of 70–74 bpm.

What are the implications for public health practice?

Patients with hypertension should control their blood pressure well, and the HR of male and elderly patients should be managed well at the same time.

Vital Surveillances
Recollections