Caution! The site can't guarantee, that text has age permission. The site is not recommended, if you are less than 18 years old.
The site shows example sentences for English words. How the word or phrase could be used in a sentence?
" ... In this pandemic, hospitals making their own convalescent plasma wait to draw the blood of people who have recovered until at least two weeks after symptoms have disappeared and tests show no active virus. Convalescent plasma for use against COVID-19 has yet to show a benefit in any controlled trials. Its utility may be further complicated by the Montreal study revelation that antibodies precipitously decline after patients recover and the virus has cleared their bodies. This is because the window for drawing blood from recovered patients is almost impossibly narrow. Antibodies peak two or three weeks after symptom onset. For COVID-19 the median recovery time is two weeks after onset of symptoms. This means that medical personnel can’t draw a patient’s blood and prepare plasma until four or five weeks after symptom onset — and that is at the earliest. Six weeks is the mark by which the Montreal study flags antibody levels as starting to decline. ... "
" ... The FDA's emergency use authorization for convalescent plasma on August 23—a day after Trump criticized the agency and a day before the Republic National Convention—has come under scrutiny due to a lack of data proving the treatment works, fueling fears that the agency may rush to approve a Covid-19 vaccine authorization for political purposes. ... "
" ... The answer, unfortunately, is not so well, but that knowledge in and of itself is useful. It will be far more difficult to obtain for treatments like convalescent sera and monoclonal antibodies, which due to logistical complications are difficult to make, much less deploy, on a large scale. ... "