Moderna said in a statement that Pfizer and BioNTech infringed on patents filed between 2010 and 2016 that covered its mRNA technology.
The estimated vaccine effectiveness of the third dose against PCR-confirmed infection stood at 85.6% compared to the two doses, Sheba researchers found.
Pfizer and BioNTech originally asked for the next booster doses to be authorized for people 65 and older in a submission citing data collected in Israel.
The report says that the FDA urged the companies to submit the application so that regulators could begin reviewing the two-shot data.
All US adults are currently eligible for booster shots of the three authorized COVID-19 vaccines.
BioNTech and Pfizer's established COVID-19 vaccine will likely offer strong protection against any severe disease from the new Omicron virus variant.
AC Immune's CEO Andrea Pfeifer described Alzheimer's as 'a slow pandemic rolling towards the world.'
"The study shows that fourteen days after a combined vaccination program, the risk of infection with SARS-CoV-2 is reduced by 88% compared to unvaccinated individuals," the State Serum Institute said
The US Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) said that Americans who have been fully vaccinated do not need a booster COVID-19 shot at this time.