There has been some talk about lifting intellectual property restrictions on vaccines and like licensing it to other countries, india and south africa have led the campaign. But fizer and bionte, who develop ta covet vaccine, together say a waver won't boost global stocks any time soon. Tat: Do you think the arrival of omicron might galvanize countries to be more vigilant about the spread of mutations? Umer erpon: We cannot take our eyes off the ball here. Vigilance is important.