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COVID-19 Update For September 20 2020 In Nigeria - (1,246 Tested) - Health (5) - Nairaland

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Re: COVID-19 Update For September 20 2020 In Nigeria - (1,246 Tested) by bocsciences: 6:42am On Oct 12
SARS-CoV-2 is a positive-sense single-stranded RNA virus (+ssRNA) with round or elliptical particles, a diameter of about 80 to 120 nm, and about 30,000 nucleotides long. Like other HCoVs, SARS-CoV-2 has four major structural protein, including S (spike), E (envelope), M (membrane), and N (nucleocapsid) proteins. S protein plays an essential role in the virus infection of SARS-CoV-2. S protein of SARS-CoV-2 which higher affinity than SARS-CoV, mediates entry into host cell through binding angiotensin-converting enzyme 2 (ACE2) and then primes through the serine protease TMPRSS2. After the viral entry into host cell, RNA-dependent RNA polymerase (RdRp, also known as nsp12) through binding co-factors nsp7 and nsp8 etc. catalyzes the synthesis of viral RNA. The At last, SARS-CoV-2 produces three virulence factors (Nsp1, Nsp3c and ORF7a) to interfere human immunity and assist immune escape. Recently, L. Zhang et al has revealed the crystal structure of SARS-CoV-2 main protease (Mpro, also called as 3CLpro) which is closely related with the reproduction of the virus.
Re: COVID-19 Update For September 20 2020 In Nigeria - (1,246 Tested) by AKLILI: 1:55am On Oct 16
sad sad
Re: COVID-19 Update For September 20 2020 In Nigeria - (1,246 Tested) by AKLILI: 1:58am On Oct 16
Illinois health officials announced on Thursday that since June, the number of deaths in a single day has been COVID-19.
Re: COVID-19 Update For September 20 2020 In Nigeria - (1,246 Tested) by Egoat(m): 6:50am On Oct 19
Thanks so much Mama Divinegrace123.

Had to delete the long things I typed.
I actually explained some other things but no need anymore. SS and I are settled.
Thanks for taking your time to settle this Ma.
Eshe maami.

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Re: COVID-19 Update For September 20 2020 In Nigeria - (1,246 Tested) by fangniuniu: 2:30am On Oct 20
The CDC issued a report on the 17th, the United States Centers for Disease Control and Prevention issued a report that as early as February 2nd, Trump hastily issued a ban on Chinese tourists, but did not announce the entry restrictions on European countries until March 13, but by March 8th, the new coronavirus had long since begun to spread in New York City communities. In addition, the report reveals a finding that the strain popular in New York City has nothing to do with Wuhan, China. In response to the report, New York Gov. Andrew Cuomo said the virus had spread to New York City because of the government’s response to the epidemic, killing so many Americans.
Re: COVID-19 Update For September 20 2020 In Nigeria - (1,246 Tested) by fangniuniu: 2:35am On Oct 20
The new study looked at data collected by the New York Department of Health and Mental Hygiene between March 1 and 20, the early days of the pandemic in the US. The department announced on March 8 that there was sustained community transmission.
The department examined specimens taken from people who went to the emergency room with flu-like symptoms. Of the 544 specimens tested, 36, or 6.6%, were positive for the novel coronavirus.
Re: COVID-19 Update For September 20 2020 In Nigeria - (1,246 Tested) by fangniuniu: 1:16am
At this time, twenty-six NYC residents had confirmed COVID-19, and ED visits for influenza-like illness* increased, despite decreased influenza virus circulation.† The following week, on March 15, when only seven of the 56 (13%) patients with known exposure histories had exposure outside of NYC, the level of community SARS-CoV-2 transmission status was elevated from sustained community transmission to widespread community transmission (2). Through sentinel surveillance during March 1–20, DOHMH collected 544 specimens from patients with influenza-like symptoms (ILS)§ who had negative test results for influenza and, in some instances, other respiratory pathogens.¶ All 544 specimens were tested for SARS-CoV-2 at CDC; 36 (6.6%) tested positive. Using genetic sequencing, CDC determined that the sequences of most SARS-CoV-2–positive specimens resembled those circulating in Europe, suggesting probable introductions of SARS-CoV-2 from Europe, from other U.S. locations, and local introductions from within New York. These findings demonstrate that partnering with health care facilities and developing the systems needed for rapid implementation of sentinel surveillance, coupled with capacity for genetic sequencing before an outbreak, can help inform timely containment and mitigation strategies.

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