UK study finds evidence of waning antibody immunity to COVID-19 over time (reuters.com)

reuters.com

LONDON (Reuters) - Antibodies against the novel coronavirus declined rapidly in the British population during the summer, a study found on Tuesday, suggesting protection after infection may not be long lasting and raising the prospect of waning immunity in the community.

Scientists at Imperial College London have tracked antibody levels in the British population following the first wave of COVID-19 infections in March and April.

Submitted by mo2 on Mon, 10/26/2020 - 19:36

People with blood type O may have lower risk of Covid-19 infection and severe illness, two new studies suggest (cnn.com)

cnn.com

(CNN)People with blood type O may be less vulnerable to Covid-19 and have a reduced likelihood of getting severely ill, according to two studies published Wednesday. Experts say more research is needed.

Submitted by mo2 on Thu, 10/15/2020 - 03:28

A Man Caught Coronavirus Twice -- and It Was Worse the Second Time (thelancet.com)

MIT Technology Review reports: The 25-year-old man tested positive for the first time on April 18, after experiencing several weeks of symptoms including sore throat, cough, headache, nausea, and diarrhea. He felt fully recovered by April 27, and tested negative for the virus on both May 9 and 26. But just two days later, on May 28, he developed symptoms again, this time with fever and dizziness too. He tested positive on June 5 and needed to be hospitalized after his lungs were unable to get enough oxygen into his body, causing hypoxia and shortness of breath.

Submitted by mo2 on Wed, 10/14/2020 - 03:59

Could The Live Flu Vaccine Help You Fight Off COVID-19? (npr.org)

npr.org

In case you were still procrastinating getting a flu shot this year, here's another reason to make it a priority.

There's a chance the vaccine could offer some protection against COVID-19 itself, says virologist Robert Gallo, who directs the Institute of Human Virology at the University of Maryland School of Medicine and is chairman of the Global Virus Network.

Submitted by mo2 on Sun, 10/11/2020 - 19:27
apnews.com

WASHINGTON (AP) — President Donald Trump will spend a “few days” at a military hospital after contracting COVID-19, the White House said Friday, as the virus that has killed more than 205,000 Americans spread to the highest reaches of the U.S. government. Trump “remains fatigued,” his doctor said.

Submitted by mo2 on Fri, 10/02/2020 - 22:10
reuters.com

WASHINGTON (Reuters) - U.S. President Donald Trump is experiencing mild symptoms after testing positive for the coronavirus, administration officials said on Friday, as the White House and election campaign scrambled to adjust to an extraordinary twist in his turbulent presidency.

Trump, who has played down the threat of the coronavirus pandemic from the outset, said he and his wife Melania were going into quarantine after testing positive for the virus, which has killed more than 200,000 Americans and severely damaged the U.S. economy.

Submitted by Admin on Fri, 10/02/2020 - 19:29
reuters.com

MOSCOW (Reuters) - Russia’s “Sputnik-V” COVID-19 vaccine produced an antibody response in all participants in early-stage trials, according to results published on Friday by The Lancet medical journal that were hailed by Moscow as an answer to its critics.

The results of the two trials, conducted in June-July this year and involving 76 participants, showed 100% of participants developing antibodies to the new coronavirus and no serious side effects, The Lancet said.

Submitted by mo2 on Sat, 09/05/2020 - 04:37

Coronavirus reinfections: three questions scientists are asking (nature.com)

nature.com

When news broke last week that a man living in Hong Kong had been infected with the coronavirus again, months after recovering from a previous bout of COVID-19, immunologist Akiko Iwasaki had an unusual reaction. “I was really kind of happy,” she says. “It’s a nice textbook example of how the immune response should work.”

Submitted by mo2 on Fri, 09/04/2020 - 15:28