New Bat virus similar to COVID-19 Capable of Infecting Humans Discovered in China
What We Know So Far
Chinese researchers have identified a new bat-derived coronavirus, HKU5-CoV-2, that has the potential to infect human cells. This discovery raises fresh concerns about zoonotic virus transmission and the ongoing risk of future pandemics. The findings, published in the scientific journal Cell, highlight the need for increased surveillance of coronaviruses in wildlife.
The New Virus: HKU5-CoV-2
HKU5-CoV-2 is a merbecovirus, a subgenus of coronaviruses that includes MERS-CoV (Middle East Respiratory Syndrome). Researchers from the Guangzhou Laboratory, the Guangzhou Academy of Sciences, Wuhan University, and the Wuhan Institute of Virology conducted the study. Their experiments showed that this new bat coronavirus can bind to the ACE2 receptor, the same cellular entry point used by SARS-CoV-2, the virus responsible for COVID-19.
Laboratory tests confirmed that HKU5-CoV-2 is capable of infecting human lung and intestinal tissues, raising concerns about potential transmission risks. The virus was also found to interact with ACE2 receptors from various mammalian species, suggesting possible cross-species transmission.
Should We Be Worried?
While HKU5-CoV-2 can infect human cells, scientists emphasize that its ability to bind to the ACE2 receptor is significantly weaker than that of SARS-CoV-2. This means that the likelihood of a large-scale outbreak is currently low. However, experts warn that the virus could evolve over time, increasing its potential for human-to-human transmission.
The discovery of this virus serves as a critical reminder of the need for continuous monitoring of coronaviruses in bats and other animals. Scientists stress that early detection and research are key to preventing future pandemics.
Context: The Wuhan Institute of Virology and COVID-19
This discovery is particularly significant given the ongoing debate about the origins of SARS-CoV-2. The Wuhan Institute of Virology (WIV), which played a role in this research, has been at the center of discussions about the lab-leak theory of COVID-19’s origin. However, Dr. Shi Zhengli, a leading virologist at WIV, has consistently denied any connection between the lab and the pandemic, emphasizing the importance of their work in understanding zoonotic diseases.
The Global Response and Future Outlook
The global scientific community is closely monitoring HKU5-CoV-2, with calls for enhanced surveillance of coronaviruses in wildlife populations. Experts are urging governments and health organizations to invest in early warning systems to track and assess new virus threats before they become widespread.
Key Takeaways
- A new bat coronavirus, HKU5-CoV-2, has been discovered in China.
- The virus can infect human cells via the ACE2 receptor.
- Its ability to spread among humans appears limited for now.
- Scientists stress the need for continued monitoring and proactive research.
- The discovery revives discussions about virus origins and pandemic prevention.
Final Thoughts
The identification of HKU5-CoV-2 highlights the ongoing risk of emerging infectious diseases and the need for global cooperation in pandemic preparedness. As new coronaviruses continue to be discovered, experts warn that vigilance is crucial to prevent another global health crisis.
For more updates on pandemic risks, emerging viruses, and global health news, stay tuned to our blog.

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