People with weakened immune systems can suffer from persistent Covid infections, often for months

More than 1,000 torch-bearers will participate in relay

The top police official in the region said the deceased were not professional miners

No serious adverse events occurred, and the human challenge study model was shown to be safe

Taliban administration had not officially announced its plan for female university students

Big tech companies will have to reimburse victims of advertisement scams showcased on their platforms.

The White House believes Spotify's plans to add content advisory to podcasts discussing Covid 19 is a positive step.

Match Group softens its yearly revenue forecast amid the spread of Omicron virus, hindering dates and meet-ups.

Alphabet quarterly sales exceeded expectations, as its internet advertising business surged.

Tech companies are rushing to manufacture self-driving vehicles, while regulators can't keep up in drafting rules.