[theold]

It contains four strains of avian influenza viruses that aren’t thought to be highly pathogenic, which are then further weakened and made unable to replicate.

“Influenza vaccines that can provide long-lasting protection against a wide range of seasonal influenza viruses as well as those with pandemic potential would be invaluable public health tools,” said NIAID Director Anthony Fauci in a statement. 

“The scientific community is making progress on this pressing global health priority. The BPL-1357 candidate influenza vaccine being tested in this clinical trial performed very well in pre-clinical studies and we look forward to learning how it performs in people.”

https://gizmodo.com/universal-flu-vaccin...1849120193

[singlon]

No universal vaccine
ur natural immunity has to learn to get intelligent how to deal with new challenges
At present it is great business to be abled to create a new 'chimera' with a new vaccine.