Experts hope an experimental drug can be as effective against the novel coronavirus in people as it has been on cells in a controlled lab environment.

The US drug, remdesivir (瑞德西韦), began clinical trials（临床试验）on patients in Wuhan, Hubei province on Thursday. Other medications, including chloroquine, arbidol and darunavir have also recently been found capable of arresting viral growth in lab cells, but like remdesivir, they require more clinical trials to confirm their safety and potency on humans.

The Phase III trials for remdesivir have been approved by China’s National Medical Products Administration and is conducted by the China-Japan Friendship Hospital in Beijing and the Chinese Academy of   Medical Sciences on patients at the Wuhan Jinyintan Hospital.

“A total of 761 patients will participate in two trials-one trial to assess the drugs' potency on 308 cases with mild or moderate infection, and the other on 453 severely infected patients”, Cao Bin, head of the clinical trial and vice-president of the friendship hospital, said on Wednesday.

Cao said studies have shown remdesivir is effective in inhibiting the growth of the novel coronavirus in vitro(在生物体外), meaning the procedure was done on cells in a controlled environment outside of a living organism, typically in a petri dish or test tube.

But the drug has yet to show convincing clinical evidence that it can translate its positive in vitro results into actual human patients. So, it will require strict clinical testing, Cao said.

A 35-year-old patient from the United States infected with the virus was reported seeing noticeable improvement with no obvious side effects after taking the drug, according to the New England Journal of Medicine.

Gilead Sciences, the maker of remdesivir, said in a recent statement that it has been working with government agencies on the novel coronavirus response efforts.

However, the company stressed that remdesivir is an experimental medicine that has only been used in a handful of patients, “so we do not have an appropriately full understanding of the effect of this drug ”.

“Please don’t go to Wuhan unless it’s really necessary,” Zhong Nanshan, a famous respiratory expert(呼吸科专家), said when the novel coronavirus(新冠病毒) hit Wuhan. At the same time. Zhong, 84, went on a trip to Wuhan to fight the disease.

Many Chinese know Zhong as the hero who defeated SARS in 2003. People share his pictures and words online, saying they believe every word Zhong says. He has given Chinese people confidence in winning this fight.

Zhong Nanshan grew up in a family of doctors. His goal(目标) has always been to save as many lives as he can. In 2003, when SARS hit China, he volunteered to treat patients and ask other doctors to send their most serious cases(病例) to him. After months of hard work, his treatment plan for SARS was used by China and then the whole world, it saved thousands of lives. As Zhong once said, “the hospitals are our battlefield (战场). When we are needed, we should charge forward(冲锋向前).”

Seventeen years later, Zhong is once again leading an expert team to deal with the novel coronavirus. Although Zhong knows this new virus is more dangerous to old people, Zhong worries little about his own safety. On January 18th, he took a high-speed train from Guangzhou to Wuhan. Two days later he became the first expert to tell the public that the virus can go from person to person. Under his lead, his team developed a rapid test kit(快速检测试剂盒) for the disease that can show results within fifteen minutes.

As People’s Daily wrote, “The 84-year-old Zhong Nanshan shows his professionalism(专业性) as a doctor, courage as a soldier and a sense of duty as a backbone(脊梁) of our nation.”

You may have heard of people who are allergic（过敏的）to seafood, smoke or pets. But did you know that some people were allergic to Wi-Fi signals?

Rachel White, a 44-year-old woman from Britain, first found herself being allergic to Wi-Fi signals in 2015. She had a cough, heart trouble and great pains in her head when she stayed at the places covered with Wi-Fi signals.

_________. In the past six months, she either slept in her car or in the tent which she had put up in the woodland or in the fields. She has even tried sleeping in a shed（工棚）. Being completely tired, Rachel had no choice but to leave her job and moved 370 kilometers away from her home to escape Wi-Fi signals, but failed. Because of the hard life, she got a stomach problem.

She is now living in a small house in rural（乡下的）areas. There are far fewer Wi-Fi signals. However, the house, which belongs to one of her friends, will be sold to others, so she has to move again soon.

Rachel is planning to move to a more rural area. She is also planning to buy a camper van（野营车）so that she can drive away from Wi-Fi signals whenever she is feeling uncomfortable. As she has no job and therefore no income, she has to raise money online. She is hoping to raise 15,000 pounds. So far, she has raised over 1,600 pounds. She still has a long way to go.