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22 Apr 2020, 23:13
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The Covid-19 shutdowns were imposed considering that the disease would kill more than two million Americans absent drastic actions to slow its spread. That model considered case fatality rates—the share of infected people who die from the disease—of 1% to 3%. The World Health Organization’s estimated case-fatality rate was 3.4%. These fatality rates lead almost all the countries to lock their economies down in fear of an increase of deaths as compared to other incurable diseases.
Some expert have questioned this assumption. They argue that known cases are likely only a small portion of the true number of infections, and thus high case-fatality rates could be off by orders of magnitude. We don’t know what portion of infections have gone undetected for a lack of tests, restrictive qualifications to get tested, and a potentially large incidence of mild illness or asymptomatic infection.
They conducted a seroprevalence study of Santa Clara County, Calif., on April 3 and 4. They studied a representative sample of 3,300 residents to test for the presence of antibodies in their blood that would show if they had previously been infected with the novel coronavirus.
The researchers found that the percentage of infections was indeed vastly larger than the roughly 1,000 known positive cases in the county at the time of the study. The preliminary results—the research will now undergo peer review—show that between 2.5% and 4.2% of county residents are estimated to have antibodies against the virus. That translates into 48,000 to 81,000 infections, 50 to 85 times as high as the number of known cases. Similar proportions of infections to cases are now being discovered around the world: 30 times in Robbio, Italy; 10 times in Iceland; 14 times in Gangelt, Germany; 27 times in Denmark.
What is the primary purpose of the passage?
A. To suggest that covid-19 does not affect the economy.
B. Requesting the government to do more tests, to not have qualifications to get tested, and report mild illness or traces of asymptomatic infection.
C. Suggest to not be afraid of Covid-19
D. The large majority of people who contract Covid-19 recover without ever getting tested and that the fatality rate may be more lower than authorities had assumed.
E. To suggest more research into the subject and request government to not put Covid-19 patients in hospitals.
Which of the following can be inferred about other incurable diseases in the world?
A. That the economy is under estimating the deaths caused by Covid-19.
B. Other incurable diseases do not spread in the community.
C. Less than 3.4% is the fatality rate for other incurable diseases and testing for the same has been done.
D. Other diseases are closer to find a cure.
E. World Health Organisation figures are arbitrary selected.
The passage mentions each of the following EXCEPT
A. The seroprevalence study studied a representative sample of 3,300 residents.
B. The fatality rate of Italy, Iceland, Gangelt, Germany and Denmark is higher than 1%.
C. With drastic actions to slow the spread more than two million Americans would have died.
D. Specific antibodies in the blood show infection with the novel coronavirus at some point of time.
E. 1,000 known positive cases in the county at the time of the study.
Source:- self made
Some expert have questioned this assumption. They argue that known cases are likely only a small portion of the true number of infections, and thus high case-fatality rates could be off by orders of magnitude. We don’t know what portion of infections have gone undetected for a lack of tests, restrictive qualifications to get tested, and a potentially large incidence of mild illness or asymptomatic infection.
They conducted a seroprevalence study of Santa Clara County, Calif., on April 3 and 4. They studied a representative sample of 3,300 residents to test for the presence of antibodies in their blood that would show if they had previously been infected with the novel coronavirus.
The researchers found that the percentage of infections was indeed vastly larger than the roughly 1,000 known positive cases in the county at the time of the study. The preliminary results—the research will now undergo peer review—show that between 2.5% and 4.2% of county residents are estimated to have antibodies against the virus. That translates into 48,000 to 81,000 infections, 50 to 85 times as high as the number of known cases. Similar proportions of infections to cases are now being discovered around the world: 30 times in Robbio, Italy; 10 times in Iceland; 14 times in Gangelt, Germany; 27 times in Denmark.
What is the primary purpose of the passage?
A. To suggest that covid-19 does not affect the economy.
B. Requesting the government to do more tests, to not have qualifications to get tested, and report mild illness or traces of asymptomatic infection.
C. Suggest to not be afraid of Covid-19
D. The large majority of people who contract Covid-19 recover without ever getting tested and that the fatality rate may be more lower than authorities had assumed.
E. To suggest more research into the subject and request government to not put Covid-19 patients in hospitals.
Which of the following can be inferred about other incurable diseases in the world?
A. That the economy is under estimating the deaths caused by Covid-19.
B. Other incurable diseases do not spread in the community.
C. Less than 3.4% is the fatality rate for other incurable diseases and testing for the same has been done.
D. Other diseases are closer to find a cure.
E. World Health Organisation figures are arbitrary selected.
The passage mentions each of the following EXCEPT
A. The seroprevalence study studied a representative sample of 3,300 residents.
B. The fatality rate of Italy, Iceland, Gangelt, Germany and Denmark is higher than 1%.
C. With drastic actions to slow the spread more than two million Americans would have died.
D. Specific antibodies in the blood show infection with the novel coronavirus at some point of time.
E. 1,000 known positive cases in the county at the time of the study.
Source:- self made
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