Humans susceptible to viral strains borne by chimpanzee
SIV strains mutate upon entering cells to overcome human-specific barriers to infection
Infographic: Do we need a booster dose?
Omicron, the most common COVID-19 strain in the world today, has dramatically reduced the efficacy and duration of vaccine protection
WHO launches global facility for pathogen storage, sharing and analysis
The sharing of pathogens is currently done bilaterally between countries; WHO BioHub will expedite the process
Return of bird flu in India raises alarm
No confirmation yet on whether virus is a mutant one