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Researchers say Hong Kong man is first confirmed to have Covid-19 twice — but more research is needed

August 24, 2020. Summarized by summa-bot.

A 33-year-old man living in Hong Kong had Covid-19 twice this year, according to preliminary research out of China.

The pre-print study — which the University of Hong Kong said on Monday has been accepted to publish in the journal Clinical Infectious Diseases — found that the man’s second case of Covid-19 occurred 142 days after the first.

Then during his second episode, the patient was returning to Hong Kong from traveling in Spain via the United Kingdom, and he tested positive during his entry screening at the Hong Kong airport on August 15, according to the study.

For the study, researchers at the University of Hong Kong and various hospitals in Hong Kong analyzed specimens collected from the patient 10 days after his symptoms emerged in the first episode and then one day after hospitalization for the second episode.

The genetic analysis showed that the first infection was from a strain of the coronavirus most closely related to strains from the United States or England, which were collected in the spring, and the second was most closely related to strains from Switzerland and England, which were collected in July and August.

Our findings suggest that SARS-CoV-2 may persist in humans as is the case for other common-cold associated human coronaviruses, even if patients have acquired immunity via natural infection or via vaccination,” the researchers wrote in their study.

“What I think is really important is that we put this into context,” said Maria Van Kerkhove, the World Health Organization's technical lead for coronavirus response and head of the emerging diseases and zoonoses unit, during a media briefing in Geneva on Monday.

On July 30, during broader negotiations over the coronavirus relief legislation inside Speaker Nancy Pelosi’s office, Sen. Chuck Schumer asked the White House officials in the room how things were going on the vaccine effort, according to two sources familiar with the meeting.

A senior administration official previously told CNN there have not been any discussions about fast-tracking the AstraZeneca vaccine before the November election.

Staff and students have been told to self-isolate for 14 days after 22 cases of Covid-19 were detected at a school in Dundee, Scotland, according to a joint statement from the local health authority, NHS Tayside, and Dundee City Council on Sunday.

According to the statement, 22 positive cases had been linked to the school as of August 23.

Anyone who is living or coming into close contact with a student should also self-isolate for 14 days, according to advice given by authorities.

The US has reported more than 5. 7 million coronavirus cases since the start of the pandemic — but new cases appear to be declining in many states.

Also boosting stocks, the Trump administration is reportedly considering fast-tracking an AstraZeneca Covid-19 vaccine prior to US election, according to the Financial Times.

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