raghav on Instagram: "All viruses, including the virus that causes COVID-19 (SARS-CoV-2), change over time. These viruses with changes are called "variants." These changes can affect how contagious a virus is, how well it responds to treatment, and how severely it affects people. Last week, a new variant of SARS-CoV-2 called BA.2.86 was detected in samples from people in Denmark and Israel. At least two cases have been identified in the United States. This variant is notable because it has multi