CBS News Grace Qi in Beijing contributed to this report.

TikTok debuted in China in 2016 before a worldwide launch in 2018.TikTok on phone Drew Angerer / Getty Images News consumption on platforms differed by gender.

It has since soared in popularity in the UHealth officials across the continent have reported widespread logistical challenges in getting people vaccinated.Biden and other G-7 leaders pledge to donate COVID-19 vaccines 05:26 At a separate news conference.

stressing that some African nations were running out of vaccine supplies fast.accounting for 76% of the new cases.

including four of the countries experiencing a resurgence.

Moeti prodded African nations to step-up their vaccination campaigns.but the ship itself appeared to have been buried centuries later.

The burial mound is over 196 feet long.a large Viking burial site was discovered by Norwegian archaeologists.

animal bones and a seated skeleton with a sword.The discovery comes centuries after a seated skeleton and a sword were found at the same site.