By , , OTTAWA/GENEVA (Reuters) - Canada, which has reserved enough doses to vaccinate residents against COVID-19 several times over, is in talks with other governments about a plan to donate shots to lower-income countries, according to three sources familiar with the matter.Canada has made deals to buy more doses per capita than any other nation, according to researchers at the Duke Global Health Innovation Center in North Carolina.It is among a handful of wealthy nations that reserved billions of doses between them before late-stage trial data came in, ensuring they would get access even...…By , , OTTAWA/GENEVA (Reuters) - Canada, which has reserved enough doses to vaccinate residents against COVID-19 several times over, is in talks with other governments about a plan to donate shots to lower-income countries, according to three sources familiar with the matter.Canada has made deals to buy more doses per capita than any other nation, according to researchers at the Duke Global Health Innovation Center in North Carolina.It is among a handful of wealthy nations that reserved billions of doses between them before late-stage trial data came in, ensuring they would get access even...WW…