pandemic

Data from 78,000 South Africans with COVID show the Pfizer vaccine is far less effective in preventing infection by the omicron variant. But there is still significant protection from severe illness.

Hit hard by the pandemic, the Philippines has vaccination rates far lower than neighbors like Vietnam and Cambodia. Here's how the country is trying to up its numbers.

At a special session this week, the World Health Organization hopes to start sketching out a new world order. "We don't have rules of the game," says WHO head Tedros Adhanom Ghebreyesus.

It has been nearly two years since the deadly coronavirus arrived in North Carolina.