The World Health Organization has warned that the coronavirus pandemic is ‘not necessarily the big one’ and that a more deadly virus could yet sweep the globe. Speaking on Tuesday, Dr. Mike Ryan, head of the WHO emergencies programme said…

The World Health Organization has warned that the coronavirus pandemic is ‘not necessarily the big one’ and that a more deadly virus could yet sweep the globe. Speaking on Tuesday, Dr. Mike Ryan, head of the WHO emergencies programme said…