"While hospitalisations currently remain broadly flat, the rapid spread of Delta would likely "lead to a substantial resurgence of hospitalisations" and put pressure on the NHS," said UK Health Minister Matt Hancock
The B.1.1.7 strain first detected in the UK will be known as “Alpha”, while the B.1.351 variant detected in South Africa is now ‘Beta', P.1 variant first found in Brazil is “Gamma” and the P.2 variant is “Zeta”. The strains found in the US are “Epsilon” and “Iota”.
The expanded fleet supports Amazon's growing customer base, with the aircraft joining Amazon Air's cargo network in 2021 and 2022, the company said in a statement on Wednesday.