Volume 31, Number 1—January 2025
Dispatch
Invasive Group B Streptococcus Infections Caused by Hypervirulent Clone of S. agalactiae Sequence Type 283, Hong Kong, China, 20211
Figure 1

Figure 1. Invasive group B Streptococcus (GBS) infection incidence from September 2–November 6 (weeks 35–44), 2021, in 17 public hospitals across Hong Kong, China. The gray dotted line indicates the weekly mean number of invasive GBS infections for the same weeks in 2019. *Environmental sampling for GBS occurred during week 39 at local wet markets, and during week 40, a special bulletin was issued to raise public awareness of the upsurging cases. ST, sequence type.
1Preliminary results from this study were presented at the 3rd ISSAD (International Symposium on ‘Streptococcus agalactiae’ Disease); October 16–18, 2023; Rio de Janeiro, Brazil.
2These first authors contributed equally to this article.
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