From Animals to Humans: Tackling Zoonotic Diseases on World Zoonoses Day

World Zoonoses Day 2023 aims at raising awareness about zoonotic diseases. Discover key prevention strategies and the importance of One Health approach.

Highlights:

World Zoonoses Day 2023 highlights the risks and impact of zoonotic diseases, which are infections that can be transmitted between animals and humans
Prevention and control strategies such as vaccination, hygiene practices, and wildlife conservation play a vital role in combating zoonotic diseases and protecting both human and animal health
The One Health approach, recognizing the interconnectedness of human, animal, and environmental health, is essential in addressing the complex challenges posed by zoonotic diseases

World Zoonoses Day is observed on July 6th each year to commemorate the discovery of the first zoonotic disease, rabies, by Louis Pasteur in 1885. This global awareness campaign aims to shed light on the significant burden of zoonotic diseases and highlight the importance of prevention and control measures (). In 2023, World Zoonoses Day serves as a crucial reminder of the interconnectedness between humans, animals, and the environment, emphasizing the need for collaborative efforts to address zoonotic diseases.

One Health Approach to Prevent Future Zoonotic Diseases
The adoption of a preventive One Health approach helps minimize the risk of future emergence of known and unknown zoonotic pathogens.

‘Join the global movement on World Zoonoses Day 2023! Let's combat zoonotic diseases through vaccination, hygiene, and wildlife conservation. Together, we can protect both humans and animals! #WorldZoonosesDay #OneHealth ’

Zoonotic Diseases: Transmitted Between Animals and Humans

Zoonotic diseases are infections that can be transmitted between animals and humans. These diseases can originate from various sources, including bacteria, viruses, parasites, and fungi. Common zoonotic diseases include rabies, avian influenza, Ebola, Lyme disease, and COVID-19. Zoonotic diseases can be transmitted through direct contact with infected animals, consumption of contaminated food or water, insect bites, or environmental exposure ().

Decrease in Large Wildlife Population Drives an Increase in Zoonotic Diseases
Large wildlife Populations are declining around the world, while zoonotic diseases (those transmitted from animals to humans) are on the rise.

Importance of Prevention and Control of Zoonotic Diseases

One Health Approach:

Zoonotic diseases highlight the interconnectedness of human, animal, and environmental health. The One Health approach recognizes that the health of humans, animals, and ecosystems are closely intertwined. By promoting collaboration and communication across disciplines, this approach strengthens disease surveillance, early detection, and response systems.

Surveillance and Monitoring:

Effective surveillance systems play a critical role in identifying emerging zoonotic diseases, monitoring disease trends, and implementing timely control measures. Surveillance involves close collaboration between human health, veterinary, and environmental agencies to detect potential threats and prevent outbreaks.

Education and Awareness:

World Zoonoses Day provides an opportunity to educate communities about zoonotic diseases, their transmission routes, and preventive measures. Raising awareness about proper hygiene practices, responsible pet ownership, and the importance of vaccination can help reduce the risk of zoonotic disease transmission ().

Forms of Human Immunodeficiency Virus can Cross from Chimpanzees to Humans
The first in vivo evidence that strains of chimpanzee-carried simian immunodeficiency virus (SIVs) can infect human cells has been reported by a new study.

Zoonotic Disease Control Strategies

Vaccination Programs:

Vaccination plays a vital role in preventing zoonotic diseases in both animals and humans. Vaccinating domestic animals, such as dogs and cats, against rabies and other zoonotic diseases not only protects animal health but also reduces the risk of transmission to humans. Similarly, livestock vaccination programs can help prevent diseases like brucellosis and avian influenza.

Vector Control:

Many zoonotic diseases are transmitted through vectors such as mosquitoes, ticks, and fleas. Implementing vector control measures, such as insecticide-treated bed nets, insecticide spraying, and environmental management, can significantly reduce the transmission of diseases like malaria, Lyme disease, and dengue fever.

Hygiene Practices and Food Safety:

Practicing good personal hygiene, such as regular handwashing with soap and water, can prevent the transmission of zoonotic diseases. Proper food handling, including safe meat consumption, thorough cooking, and avoiding cross-contamination, is crucial to prevent foodborne zoonotic infections.

Wildlife Conservation and Management:

Protecting wildlife habitats, promoting responsible ecotourism, and implementing wildlife disease surveillance programs are essential for preventing zoonotic spillover events. Proper management of wildlife populations and ecosystems helps reduce the risk of disease transmission to humans.

Strengthening Veterinary and Public Health Systems:

Investing in robust veterinary and public health systems is crucial for effective zoonotic disease prevention and control. This includes adequate laboratory capacity, training programs, infrastructure development, and collaborative research initiatives ().

World Zoonoses Day 2023 serves as a reminder of the ongoing threat posed by zoonotic diseases and the importance of proactive measures. By adopting a One Health approach, enhancing surveillance systems, promoting education and awareness, implementing control strategies such as vaccination and vector control, practicing proper hygiene and food safety, and prioritizing wildlife conservation, we can work together to prevent and control zoonotic diseases. On this World Zoonoses Day, let us join forces to protect the health of both humans and animals, recognizing that our interconnectedness is key to a healthier and safer future.

References:

World Zoonosis Day 6 July: Online learning supports governments to operationalize a One Health approach in countries - (https://www.who.int/news/item/07-07-2021-world-zoonosis-day-6-july-online-learning-supports-governments-to-operationalize-a-one-health-approach-in-countries)
Zoonotic Diseases: Etiology, Impact, and Control - (https://pubmed.ncbi.nlm.nih.gov/32932606/)
Control and prevention of emerging zoonoses - (https://pubmed.ncbi.nlm.nih.gov/12970860/)
Cost-effective control strategies for animal and zoonotic diseases in pastoralist populations - (https://pubmed.ncbi.nlm.nih.gov/27917989/)

Source-Medindia

Culex Mosquitoes are Highly Unlikely to Transmit the Zika Infection to Humans
Even after feeding high levels of Zika virus, Culex mosquitoes remain refractory to infection and are highly unlikely to transmit the infection to humans.