EMMA FARGE and MATTHIAS BLAMONT THE head of the World Health Organization has urged rich countries to stop striking bilateral deals with COVID-19 vaccine manufacturers. "Rich countries have the majority of the supply," WHO Director-General Tedros Adhanom Ghebreyesus said in strongly-worded comments on vaccine nationalism at a Geneva news briefing. "No country is exceptional and should cut the queue and vaccinate all their population while some remain with no supply of the vaccine," he added. He asked countries and manufacturers to stop making bilateral deals and called on those who have ordered excess doses to immediately hand them over to…