Mar 16 • 09:00 UTC 🇧🇷 Brazil Folha (PT)

Mosquito and 'saltwater' vaccinate bats against rabies and Nipah

A study indicates that non-invasive vaccination methods using mosquitoes and saline solutions can immunize bats against rabies and Nipah virus without needing to capture them.

A recent study conducted by Chinese scientists suggests innovative non-invasive methods for vaccinating bats against emerging and existing diseases that they can spread to other species. Researchers have utilized the bats' natural feeding habits to administer vaccines without the need for capturing the animals. This approach involves two main techniques: infecting mosquitoes with attenuated and modified viruses so that they are either eaten or bitten by the bats, and applying these viruses in a saline solution that the bats can lick, resulting in the development of the desired immunity among the bats.

Notably, part of this research was carried out by scientists from the Wuhan Institute of Virology. Wuhan is known for its extensive studies on bat-derived viruses, including those that are related to the viruses responsible for the Covid-19 pandemic. Although this connection raises certain concerns, particularly regarding zoonotic diseases, the study focuses on the potential for innovative vaccination efforts that could prevent future outbreaks stemming from bat populations. The promising results from the study indicate that similar vaccination strategies could be developed for other species that serve as reservoirs for diseases.

The implications of such research are significant for global health, particularly in the context of emerging infectious diseases. By implementing non-invasive vaccination strategies, it is possible to enhance disease control measures without the ethical concerns associated with capturing wild animals. This could lead to better public health outcomes by preventing the transmission of rabies and Nipah virus, which pose serious risks to both animal and human populations. The effective vaccination of bats could represent a critical step forward in managing zoonotic diseases and ensuring that future outbreaks are less likely to occur.

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