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A Sanofi vaccine manufacturing plant in France. Photo: Joel Saget/AFP via Getty Images

The Trump administration is paying GlaxoSmithKline and Sanofi $2.1 billion to help the companies get their coronavirus vaccine through clinical trials, cover some manufacturing costs and purchase an initial batch of 100 million doses.

The big picture: The deal, which also includes the option of buying another 500 million doses, is part of the federal government's plan to accelerate the development of as many promising vaccine candidates as possible.

Between the lines: Although GSK and Sanofi won't start their vaccine clinical trials until the fall, putting them behind other companies, the two companies are among the largest vaccine manufacturers in the world and are taking a different approach that relies on more proven technologies.

By the numbers: HHS did not respond to questions about how much of the $2.1 billion was going toward the purchase of the 100 million doses.

Go deeper

Updated May 10, 2021 - Politics & Policy

Coronavirus dashboard

Illustration: Annelise Capossela/Axios

35 mins ago - World

Explosions in Tel Aviv and Gaza as Israeli-Palestinian crisis escalates

Israel's Iron Dome aerial defense system intercepts a rocket fired from Gaza over southern Israel. Photo: Menahem Kahana/AFP via Getty

Tel Aviv — The Hamas and Islamic Jihad militant groups fired dozens of rockets from the Gaza Strip toward Tel Aviv and other cities in central Israel on Tuesday night, a new step in the current conflict that is likely to be followed by increased Israeli air strikes in Gaza.

Why it matters: The current crisis began in Jerusalem but has evolved into a military conflict across Israel and Gaza that remains on a path of escalation.

GOP Sen. Ben Sasse to introduce bill offering signing bonuses to new hires

Sen. Ben Sasse. Photo: Samuel Corum/AFP via Getty Images

Sen. Ben Sasse (R-Neb.) plans to introduce legislation this week to grant signing bonuses to new hires, he announced Tuesday.

Why it matters: The bonuses would replace expanded unemployment benefits and are aimed at boosting employment. Sasse called the numbers in the latest jobs report "crummy."