Tag: sars-cov-2
Delta variant more resistant to one dose of Pfizer and AstraZeneca vaccines
Since the spreading of SARS-CoV-2 started in China in December 2019, genetic mutations of the virus gave rise to different variants that behave slightly...
The First Record of a SARS-CoV2 Infection Dates to One Year Ago Today
A 55-year-old resident of Hubei, China, may have been the first registered case of the novel coronavirus infection. The record dates to one year...
Infection with Sars-CoV-2 Renders a Robust Antibody Response for at least Three Months
Antibodies are one of the most valuable tools of the immune system to fight foreign invaders. As expected from work with other coronaviruses, several...
Covid-19 Candidate Vaccines Pass Safety and Efficacy Tests
Two candidate vaccines (ChAdOx1 and Ad-5-nCoV) for Covid-19 have been shown to be safe and efficacious in humans, according to two studies published this...
Asymptomatic Patients Appear to Have Lung Damage and Low Antibody Levels after SARS-CoV-2 Infection
The levels of antibody protection against SARS-CoV-2 infection may not last longer than a few months, reveals an article published last week on Nature...
Study Reveals Geographic Differences in the SARS-CoV-2 Genomes
Bioinformatic analysis of SARS-CoV-2 reveals several variations between the genomes of SARS-CoV-2 from Italy, India, Nepal and USA, and the SARS-CoV-2 originated from Wuhan....