Pandemic roundup: AstraZeneca vaccine promising; research shows virus mostly spreads by air

Here's a roundup of recent stories about the coronavirus pandemic and vaccination efforts:

New research shows that the single-dose AstraZeneca coronavirus vaccine gives 76 percent protection for three months. Testing also shows that vaccinated people are much less likely to transmit the disease. Read more here.

A year into the pandemic, research overwhelmingly shows that the coronavirus mainly spreads via the air, prompting calls to revise government advice to the public. Read more here.

A small-town college offered to let the local hospital use the science department's ultra-cold freezers to store the coronavirus vaccine. Then college staff received the vaccine while some front-line workers went without, prompting questions about the growing nationwide concern about privilege and line-jumping. Read more here.

Older adults with fewer friends and family have a tougher time getting the coronavirus vaccine. Read more here.

Some rural Texans are driving hundreds of miles across the state in search of the coronavirus vaccine. Read more here.

Some rural county governments in Kentucky say they're worried that the state's plan to set up regional vaccination sites might make it harder for rural residents to get their shots. Read more here.

Several rural counties in Nevada have passed resolutions defying state pandemic restrictions. Read more here.

The coronavirus vaccine is being distributed to rural Alaska via sleds, snowmobiles and planes. Read more here.

The Navajo Nation begins mass vaccinations after lifting their lockdown order. Read more here.

The Centers for Disease Control and Prevention paid $44 million for software meant to manage the vaccine rollout, but it's so bad most states have abandoned it. What went wrong? Read more here.