And it's likely that in the decades to come, we're all destined to get COVID-19 many more times. Just how much harm repeat infections will cause is a matter of debate. "There are some almost pathologically polarized opinions out there," says Danny Altmann, an immunol-ogist at Imperial...
V.任务型阅读COVID-19 is a dangerous new illness. Doctors are trying to find out what causes it. They are working hard to find a treatment (治疗方法) for it.COVID-19 seems to spread when a sick person coughs or sneezes, and even breathes. People who stay in the same place with CO...
根据It takes a few weeks or the body to build the ability to fight the COVID-19 after injection.Sometimes the vaccines might not work well in the body.So it's best to keep wearing face masks in public and wash your hands often.注射后,身体需要几周时间来培养对抗COVID-...
Why variants that spread more easily are so dangerous The average number of people an infected person with COVID-19 passes the virus on to—the so-called R number—is 40%-70% higher with B.1.1.7 than the original variant. As the graph below shows, the mathematics ofexponential growthmean...
Stay close to the floor! Smoke can be more dangerous than fire. The best is near the floor because smoke rises. What will you do if your hair or clothes start to burn? First, stop! Don’t run! The fire burns faster because of more air. Drop! Fall to the floor. Then roll! Turnin...
The COVID-19 vaccines that are currently available across the world have beenshown to prevent serious illness and death. They don't all work the same way. But no matter the vaccine technology, the end result of extensive clinical trials has been the same: the immune system is ...
Due to the COVID-19 pandemic, Vota Conmigo will focus on digital voter registration tools and regional vote-by-mail options as the 2020 presidential election draws closer. Univision will emphasize the importance of these options through a series of Vota Conmigo PSAs, virtual phone banks, town ...
The best way to avoid cyber attacks that could be potentially dangerous is by choosing the right security options. This includes Subject Alternate Name (SAN) SSL certificates and Wildcard SSL certificates and knowing how to use them most effectively. In this article, we’ll discuss wh...
Millions of people suffer, get sick and die from the cancer alleys, COVID deaths and other harms that happen when greed, politics and willful ignorance combine into science denialism. We saw far too much of that in the Trump administration. Researchers from Columbia U...
There has also been an increase in scam attempts through automated phone calls. The FTC began receiving reports of scammers posing as government officials during the COVID-19 pandemic, using the promise of unemployment benefits to extract Social Security numbers, private bank account numbers, or ot...