(Reuters) – Pfizer Inc and Germany’s BioNTech SE are expected to submit an emergency use authorization request on Tuesday to the U.S. Food and Drug Administration (FDA) for vaccines for children aged six months to 5 years, the Washington Post reported on Monday. Coronavirus vaccines for children younger than 5 could be available as soon as end-February under a plan that would lead to the potential authorization of a two-shot regimen in the coming weeks, the Post reported, citing people briefed on the situation. The report says that the FDA urged the companies to submit the application so that …