Surging Delta variant already dominant in several European states
The highly transmissible Delta coronavirus variant is spreading rapidly across the European continent. The mutation initially emerged in India and is responsible for tens of thousands of deaths. It is already the dominant strain of Covid-19 in the UK, Portugal and Russia.
The main B.1.617.2 strain of Delta first detected last October is one of several strains of Covid-19. It has now been identified in at least 74 countries according to a World Health Organization survey of local reports.
Public Health England (PHE) has identified all three Delta variants the original first spotted in India, as well as Delta-AY.1 and Delta-AY.2 as variants of concern. By June 18, PHE had detected 36 confirmed and two probable cases of Delta AY.1 infection in England. Delta-AY.2 has not yet been detected in Britain.
Two vaccines elicit durable neutralizing antibody responses to SARS-CoV-2 in pre-clinical study
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Two COVID-19 Vaccines Show Safety, Strong Immunity in Infant Model
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