When antibodies fail, T cells may step in

Contenders represent extremes of political spectrum /// 

Consensus on need to prioritize boosting vaccinations/

Chile set to use CoronaVac vaccine made by China's Sinovac Biotech Ltd.

Mike Ryan says given transmission dynamics and other issues they have seen so far, 2021 is looking t

Negotiations between Afghan government and Taliban representatives are set to resume in the Qatari c

Negotiators have deadlocked for months on how much to spend and who would get the assistance

Opposition leader secured most votes in the first round, but not enough to avoid the runoff 

More than half a million people screened by noon, with more than 3,600 positive results

The Universal Family Bonus is worth $223

The $500 billion proposal put forward by Senate Republicans failed to advance to debate on a 52-47 v

Chinese company aims to vaccinate 6,000 people between the ages of 18 and 75

Discussions include potential extension of unemployment benefits, new stimulus payments   

Fed chair Powell and Treasury chief Mnuchin hold hope for relief in the coming months

The flu's first wave killed 14,000 Americans; health officials are to begin testing some patients wi