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The Delta variant (B.1.617.2) was [ 3 ][ 4 ] a variant of SARS-CoV-2, the virus that causes COVID-19. It was first detected in India on 5 October 2020. The Delta variant was named on 31 May 2021 and had spread to over 179 countries by 22 November 2021. The World Health Organization (WHO) indicated in June 2021 that the Delta variant was ...
The Delta variant, also known as B.1.617.2, G/452R.V3, 21A [78] or 21A/S:478K, [100] was a globally dominant variant that spread to at least 185 countries. [140] It was first discovered in India. Descendant of lineage B.1.617, which also includes the Kappa variant under investigation, it was first discovered in October 2020 and has since spread ...
The symptoms of COVID-19 are variable depending on the type of variant contracted, ranging from mild symptoms to a potentially fatal illness. [1][2] Common symptoms include coughing, fever, loss of smell (anosmia) and taste (ageusia), with less common ones including headaches, nasal congestion and runny nose, muscle pain, sore throat, diarrhea ...
U.S. scientists are investigating whether fully vaccinated people are experiencing different symptoms with the Delta variant than with prior variants.
Experts share that understanding the signs and symptoms of COVID-19 remains essential. ... [The initial strain and Delta variant] produced more severe disease, sending many patients to the ...
The variants EG.5 and BA.2.86 are circulating, and more could emerge this fall and winter. Here are the most common symptoms and how to protect yourself.
Lineage B.1.617 is a lineage of SARS-CoV-2, the virus that causes COVID-19. [1] It first came to international attention in late March 2021 after the newly established INSACOG performed genome sequencing on positive samples throughout various Indian states. Analysis of samples from Maharashtra had revealed that compared to December 2020, there ...
The continued spread of the SARS-CoV-2 virus has spawned a Greek alphabet of variants - a naming system used by the World Health Organization to track concerning new mutations of the virus that ...