Italian vaccinated with Pfizer/Biontech vaccine is infected with Brazilian coronavirus variant 501YV2

A health professional at a hospital in L’Aquila, Italy, was infected with the variant Brazilian P.1 of the new coronavirus, even after being immunized with the vacina pharmaceutical company Pfizer in partnership with BioNTech.  More...

Circulating SARS-CoV-2 variants B.1.1.7, 501Y.V2, and P.1 have gained ability to utilize rat and mouse Ace2 and altered in vitro sensitivity to neutralizing antibodies and ACE2-Ig

Here, we first investigated cross-species receptor usage of multiple SARS-CoV-2 variants that emerged during the pandemic.  More...

SARS-CoV-2 reinfection by the new Variant of Concern (VOC) P.1 in Amazonas, Brazil

“In this study, we report the first documented case of reinfection with the newly emerging P.1 lineage in a 29-years-old individual from Amazonas, a Brazilian state that was severely hit by COVID-19 at the first epidemic wave between March and July, and is currently facing a spiraling surge of deaths since November 2020.  More...