The US Food and Drug Administration on Monday gave full approval to Moderna's COVID-19 vaccine for people aged 18 and older, making it the second fully approved vaccine for the virus.
The Moderna vaccine has been authorised for emergency use in the United States since December 2020, and will now be sold under the brand name Spikevax.
Pfizer and BioNTech's COVID-19 shot using similar technology received full approval in the United States last year for people aged 16 and older after also first gaining emergency authorisation.
Nearly 75 million people have already received Moderna's two-dose vaccine in the United States, according to data from the US Centers for Disease Control and Prevention.
"The public can be assured that Spikevax meets the FDA’s high standards for safety, effectiveness and manufacturing quality required of any vaccine approved for use in the United States," Acting FDA Commissioner Dr. Janet Woodcock said in a statement.
Moderna's vaccine is cleared for use in more than 70 countries.
The US House of Representatives rejected an effort on Thursday to stop President Donald Trump's air war on Iran and require that any hostilities against Iran be authorized by Congress, backing the Republican president's military campaign.
Foreign ministers from the Gulf Cooperation Council (GCC) and the European Union have strongly condemned the Iranian attacks targeting GCC states, calling them a direct threat to regional and global security.
US President Donald Trump claimed the right to join Iran in deciding its next leader as the war escalated, with US and Israeli jets hitting areas across the country and Gulf cities coming under renewed attack.
British Prime Minister Keir Starmer said on Thursday that four additional Typhoon fighter jets would be sent to Qatar amid the ongoing regional developments, insisting that the UK has the right plan for defence.