Global Concerns Grow Over A/H5N1 Avian Influenza Pandemic
The A/H5N1 variant of avian influenza has caused alarm among experts as it continues to spread to new species and raise concerns about the potential for human-to-human transmission. Last month, cows and goats were added to the list of affected animals, a surprising development as they were not previously thought to be susceptible to this type of flu. Jeremy Farrar, Chief Scientist of the World Health Organization (WHO), has warned that the risk of the virus spreading to humans remains a great concern.
While no cases of human-to-human transmission have been recorded so far, H5N1 has a high mortality rate among those infected. The virus, which initially affected poultry and ducks, has now become a global zoonotic animal pandemic, infecting more and more mammals. Farrar emphasized the importance of closely monitoring the situation and preparing for the possibility of human transmission.
In response to the growing threat of pandemics, WHO has announced updated language to describe airborne pathogens. The initiative, prompted by the Covid-19 emergency, aims to provide clear and standardized terminology for describing how viruses are transmitted. The new terms, such as ‘infectious respiratory particles’ instead of ‘aerosol’ and ‘droplet’, will help eliminate confusion and improve international cooperation in responding to public health crises.
Farrar underscored the need for swift action and equitable access to vaccines, therapeutics, and diagnostics in the event of human transmission of H5N1. With global collaboration and a focus on preparedness, the international community can work together to address the challenges posed by emerging infectious diseases and protect public health worldwide.