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Old Vaccines May Stop the Coronavirus, Study Hints. Scientists Are Skeptical.

Billions of dollars are being invested in the development of vaccines against the coronavirus. Until one arrives, many scientists have turned to tried-and-true vaccines to see whether they may confer broad protection, and may reduce the risk of coronavirus infection, as well.

Old standbys like the Bacille Calmette-Guerin tuberculosis vaccine and the polio vaccine appear to help train the immune system to respond to a broad variety of infections, including from bacteria, viruses and parasites, experts say.

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Understanding the mechanism of virus transmission

By Dr. Gavin Macgregor-Skinner | July 29, 2020

As an epidemiologist or “disease detective,” a question I am frequently asked regarding SARS-CoV-2 (the virus that causes COVID-19 disease) is: “How does someone become infected?”

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Hoping to Understand the Virus, Everyone Is Parsing a Mountain of Data

 

CHICAGO — The latest count of new coronavirus cases was jarring: Some 1,500 virus cases were identified three consecutive days last week in Illinois, and fears of a resurgence in the state even led the mayor of Chicago to shut down bars all over town on Friday.

But at the same moment, there were other, hopeful data points that seemed to tell a different story entirely. Deaths from the virus statewide are one-tenth what they were at their peak in May. And the positivity rate of new coronavirus tests in Illinois is about half that of neighboring states.

“There are so many numbers flying around,” said Dr. Allison Arwady, the commissioner of the Chicago health department. “It’s hard for people to know what’s the most important thing to follow.”...

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Remittances: They Crossed Oceans to Lift Their Families Out of Poverty. Now, They Need Help.

...Around the globe, the pandemic has jeopardized a vital artery of finance supporting hundreds of millions of families — so-called remittances sent home from wealthy countries by migrant workers. As the coronavirus has sent economies into lockdown, sowing joblessness, people accustomed to taking care of relatives at home have lost their paychecks, forcing some to depend on those who have depended on them.

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