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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 ...
U.S. scientists are investigating whether fully vaccinated people are experiencing different symptoms with the Delta variant than with prior variants.
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 ...
Sawyer also recommends masking while traveling or in high-risk situations. “If you’re in a community where the virus is surging, as so many people are, it is smart to wear a mask if you’re ...
Nausea or loss of appetite. Diarrhea. Loss of sense of taste or smell. "It can make you feel miserable for several days, but it can vary from person to person and some people get a totally ...
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 ...
Delta. COVID-19 variant Delta was less contagious than Omicron and is not currently circulating, explains Dr. Kasson. Though Delta caused about twice as many infections as its predecessors ...
The R 0 of the Delta variant, which became the dominant variant of COVID-19 in 2021, is substantially higher. Among five studies catalogued in October 2021, Delta's mean estimate R 0 was 5.08. [91] Visualisation of the basic reproduction number, R 0. Temperature is also a factor that affects the transmissibility of the virus.