Medical Testing

Single Covid vaccine dose in Israel 'less effective than we thought'

Thu, 2021-01-21 19:09 — mike kraft

https://www.theguardian.com/world/2021/jan/19/single-covid-vaccine-dose-in-israel-less-effective-than-we-hoped

Israel’s coronavirus tsar has warned that a single dose of the Pfizer/BioNTech vaccine may be providing less protection than originally hoped, as the country reported a record 10,000 new Covid infections on Monday.

In remarks reported by Army Radio, Nachman Ash said a single dose appeared “less effective than we had thought”, and also lower than Pfizer had suggested.

By contrast, those who had received their second dose of the Pfizer vaccine had a six- to 12-fold increase in antibodies, according to data released by Sheba Medical Center in Tel Hashomer on Monday.

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South African study: New COVID-19 variant defeats plasma treatment, may reduce vaccine efficacy

Wed, 2021-01-20 21:03 — mike kraft

New COVID-19 variant defeats plasma treatment, may reduce vaccine efficacy The new COVID-19 variant identified in South Africa can evade the antibodies that attack it in treatments using blood plasma from previously recovered patients, and may reduce the efficacy of the current line of vaccines, scientists said on Wednesday. Reuters Staff U.S.

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Pfizer-BioNTech Covid-19 vaccine works just as well against variant first detected in U.K., study indicates

Wed, 2021-01-20 13:37 — mike kraft

Study: Pfizer Covid-19 vaccine effective with variant first detected in U.K. The paper is a welcome signal that existing vaccines don’t seem to be weakened by the variant in question, known as B.1.1.7. Andrew Joseph STAT

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ANALYSIS: Why Aren’t We Wearing Better Masks?

Wed, 2021-01-13 20:20 — mike kraft

Why Aren’t We Wearing Better Masks? Cloth masks are better than nothing, but they were supposed to be a stopgap measure. Zeynep Tufekci, Jeremy Howard The Atlantic

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J&J’s one-shot Covid vaccine is safe and generates promising immune response in early trial

Wed, 2021-01-13 19:09 — mike kraft

J&J's one-shot Covid vaccine is safe and generates promising immune response in early trial The new clinical trial data shows a single shot of the vaccine "gives sustainable antibodies," Dr. Paul Stoffels, J&J chief scientific officer, told CNBC. Berkeley Lovelace Jr. CNBC

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Coronavirus variants may lead to false negative results with molecular tests - FDA

Fri, 2021-01-08 20:24 — mike kraft

Coronavirus variants may lead to false negative results with molecular tests - FDA The U.S. drugs regulator said on Friday genetic variants of COVID-19, including the one found in the UK, could lead to false negative results from some molecular COVID-19 tests, but the risk of the mutations affecting overall testing accuracy is low. Vishwadha Chander U.S.

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Los Angles, Congress take divergent paths after COVID test warning

Fri, 2021-01-08 20:18 — mike kraft

LA, Congress take divergent paths after COVID test warning LOS ANGELES (AP) — Los Angeles will continue using a coronavirus test that federal regulators warned may produce false results while Congress, which has used the same test, is seeking an... AP NEWS

LOS ANGELES (AP) — Los Angeles will continue using a coronavirus test that federal regulators warned may produce false results while Congress, which has used the same test, is seeking an alternative.

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Pfizer-BioNTech vaccine not affected by mutation seen in contagious coronavirus variant, study indicates

Fri, 2021-01-08 12:20 — mike kraft

Pfizer vaccine not affected by mutation in contagious coronavirus variant A mutation found in fast-spreading coronavirus variants does not negate the Covid-19 vaccine from Pfizer and BioNTech. Andrew Joseph STAT

A mutation found in fast-spreading coronavirus variants does not negate the Covid-19 vaccine from Pfizer and BioNTech, researchers reported late Thursday.

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240 Israelis found with COVID after vaccination, underscoring need for vigilance

Thu, 2021-01-07 20:28 — mike kraft

240 Israelis found with COVID after vaccination, underscoring need for vigilance Pfizer's shot only begins having an effect 8-10 days after first injection, and only reaches full potential after the second dose timesofisrael

Illustrative: Antibodies attacking SARS-CoV-2 virus (Dr_Microbe;iStock by Getty Images)

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Loss of Smell Occurs in 86 Percent of Mild COVID Cases, New Study Finds

Thu, 2021-01-07 18:45 — mike kraft

Loss of Smell Occurs in 86 Percent of Mild COVID Cases, New Study Finds According to researchers, 95 percent of patients who lost their sense of taste or smell recovered it within six months YahooNews

Most patients with mild symptoms of COVID-19 lose their sense of taste and smell but tend to recover it quickly, according to findings from a new study.

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