The World Health Organization is alarmed by the spread of H5N1 bird flu to new species, including humans, with a high mortality rate. The virus has infected various animals and the concern is its potential to evolve and infect humans with the ability for human-to-human transmission.
Key Points
H5N1 bird flu outbreak began in 2020.
463 deaths from 889 human cases recorded from 2003 to April 1, 2024.
Virus has infected various animals including cows, goats, and dairy cattle.
No evidence of human-to-human transmission yet.
Pros
Efforts are underway for the development of vaccines and therapeutics for H5N1.
Calls for beefing up monitoring and enhancing global readiness in case of human-to-human transmission.
Cons
High mortality rate for humans infected with the H5N1 virus.
Concerns about the potential evolution of the virus and its ability to spread between humans.