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2. SARS-CoV-2 Omicron variant - Wikipedia

   en.wikipedia.org/wiki/SARS-CoV-2_Omicron_variant

   Omicron (B.1.1.529) is a variant of SARS-CoV-2 first reported to the World Health Organization (WHO) by the Network for Genomics Surveillance in South Africa on 24 November 2021. [10] [11] It was first detected in Botswana and has spread to become the predominant variant in circulation around the world. [12]

3. SARS-CoV-2 - Wikipedia

   en.wikipedia.org/wiki/SARS-CoV-2

   The host protein neuropilin 1 (NRP1) may aid the virus in host cell entry using ACE2. After a SARS‑CoV‑2 virion attaches to a target cell, the cell's TMPRSS2 cuts open the spike protein of the virus, exposing a fusion peptide in the S2 subunit, and the host receptor ACE2.

4. COVID-19 misinformation - Wikipedia

   en.wikipedia.org/wiki/COVID-19_misinformation

   In February 2020, US officials alleged that Russia is behind an ongoing disinformation campaign, using thousands of social media accounts on Twitter, Facebook and Instagram to deliberately promote unfounded conspiracy theories, claiming the virus is a biological weapon manufactured by the CIA and the US is waging economic war on China using the ...

5. COVID-19 pandemic - Wikipedia

   en.wikipedia.org/wiki/COVID-19_pandemic

   In early and mid-January, the virus spread to other Chinese provinces, helped by the Chinese New Year migration. Wuhan was a transport hub and major rail interchange. On 10 January, the virus' genome was shared publicly. A retrospective study published in March found that 6,174 people had reported symptoms by 20 January.

6. Coronavirus - Wikipedia

   en.wikipedia.org/wiki/Coronavirus

   The earliest reports of a coronavirus infection in animals occurred in the late 1920s, when an acute respiratory infection of domesticated chickens emerged in North America. [15] Arthur Schalk and M.C. Hawn in 1931 made the first detailed report which described a new respiratory infection of chickens in North Dakota.

7. WannaCry ransomware attack - Wikipedia

   en.wikipedia.org/wiki/WannaCry_ransomware_attack

   The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. [5] It propagated by using EternalBlue, an exploit developed by the United States ...

8. New virus variants threaten a summer Covid-19 wave, but ... - AOL

   www.aol.com/news/virus-variants-threaten-summer...

   Spencer Platt/Getty Images. Covid-19 levels are about the lowest they’ve ever been in the United States, but another new crop of virus variants once again threatens to disrupt the downward trend ...

9. Fileless malware - Wikipedia

   en.wikipedia.org/wiki/Fileless_malware

   Fileless malware is a variant of computer related malicious software that exists exclusively as a computer memory-based artifact i.e. in RAM.It does not write any part of its activity to the computer's hard drive, thus increasing its ability to evade antivirus software that incorporate file-based whitelisting, signature detection, hardware verification, pattern-analysis, time-stamping, etc ...