AstraZeneca withdraws Covid-19 vaccine worldwide, citing surplus of newer vaccinesAstraZeneca is withdrawing its Covid-19 vaccine due to newer, more targeted vaccines available for Covid-19 variants.
Next pandemic likely to be caused by flu virus, scientists warnInfluenza is identified as the pathogen most likely to cause the next global pandemic, as indicated by 57% of senior disease experts in an international survey.
Risk of bird flu spreading to humans is enormous concern', says WHOThe World Health Organization is concerned about the spread of H5N1 bird flu, which poses a significant risk of spillover to humans.
The chicken and egg problem of fighting another flu pandemicUsing fertilized hen eggs for flu vaccine production remains a concern during potential pandemics.