CDC warns highly transmissible coronavirus variant to become dominant in U.S.

Agency data predicts U.K. variant will spread rapidly, intensifying urgency of vaccinations Health

Biden chooses former FDA commissioner Kessler to head nation’s vaccine effort

The appointment of David Kessler comes as Biden has begun spelling out plans to speed up the Trump administration’s sluggish effort on vaccinations. Health

Vaccine reserve was already exhausted when Trump administration vowed to release it, dashing hopes of expanded access

States were anticipating a windfall after federal officials said they would stop holding back second doses. But the policy had already changed, and no stockpile exists. Health

Biden to ask for $400 billion to bolster fight against covid-19

The funding would create a national vaccination program, expand testing, hire public health workers and help detect new virus strains. Health

Companies scramble to expand coronavirus vaccine supply

Pfizer and Moderna have been working to increase production and reporting success, but supply will fall short of global demand. Other vaccine companies are lagging on manufacturing. Health

Experts warn of vaccine stumbles ‘out of the gate’ because of Trump officials’ refusal to consult with Biden team

Even as covid-19 cases continue to overwhelm hospitals, the Trump administration has balked at close communication with its successor. Health

Coronavirus cases among lawmakers who sheltered in lockdown show one vaccine dose may not immediately protect against infection

Coronavirus vaccines take more than a week to protect against infection, experts said Health

Three reasons a negative coronavirus test doesn’t necessarily mean you’re not infected

Many people are getting tested for the coronavirus before they visit family and friends, but a negative result doesn’t guarantee that you’re not infected. Health