Even with more vaccines on the horizon, much of the world will most likely keep waiting for doses

The World Health Organization approved one Chinese-made Covid-19 vaccine and could soon approve another. The Biden administration has backed waiving intellectual property protections for vaccines, which could make it easier for more countries to make them.

But the campaign to vaccinate the world is floundering, and experts warn it will take more to reverse the trend.

India’s crisis shows how oxygen is a vital medicine not everyone can access

Oxygen is an essential medical treatment to save human lives. But, in recent weeks, it’s become clear just how vital it is as India reels from a deadly surge in COVID-19 cases. Express trains are racing across the country to deliver oxygen from the eastern town of Angul to the capital of Delhi and other regions. Meanwhile, desperate pleas fill social media from people forced to helplessly watch their family members slowly suffocate.

Federal health officials on Friday updated public guidance about how the coronavirus spreads, emphasizing that transmission occurs by inhaling very fine respiratory droplets and aerosolized particles, as well as through contact with sprayed droplets or touching contaminated hands to one’s mouth, nose or eyes.

Pfizer, BioNTech ask FDA for full approval of Covid-19 vaccine If granted, the Pfizer vaccine would be the first in the U.S. to be fully approved. NBC News

Pfizer and BioNTech asked the Food and Drug Administration Friday for full approval of the companies' Covid-19 vaccine. If approved, it would be the first Covid-19 vaccine in the United States to hold that distinction.