偵事一二 動機。永遠是一切的起源。 With ease，or not at all.

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 SAN FRANCISCO (CBS SF) — It’s been described as “liquid gold” by some. Convalescent plasma given by COVID-19 survivors could help those in danger of losing their own battles with the virus. 

The first hour-long procedure happened at UCSF Medical Center Thursday night. It’s what this kind of transfusion could do in the future that has some medical experts hopeful in the fight against COVID-19. 

The transfer of Convalescent Plasma, from a person who has recovered from a disease to a patient battling it has been done before. 

“We think it works based on other diseases but COVID-19 is COVID-19,” said Dr. Peter Chin-Hong, an infectious disease Professor at UCSF Medical School. “We need to know if it works and if it does, there will be more enthusiasm for using it as standard therapy.”

Plasma is the liquid part of your blood containing antibodies, which help fight an infectious disease. Transfusing it to sick patients has its history of success and failure.

“It has been shown to be effective in certain epidemics and less effective in others,” said Dr. David Reich, President of New York Mount Sinai Hospital. “For example, there was some evidence that it was a benefit for the SARS epidemic in the early part of the 2000s.” 

“And there may have been some benefit also for the Swine Flu, also known as H1N1. But it did not seem to be effective in treatment of Ebola disease,” said Reich.