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第一:不麻痹、不大意。千里之堤,溃于蚁穴。

First: no paralysis and carelessness. Thousands of miles of levees collapse in ant nests.

第二:戴口罩、要坚持。科学佩戴口罩是预防呼吸道传染病最有效的措施之一。

Second: wear masks and stick to them. Wearing masks scientifically is one of the most effective measures to prevent respiratory infectious diseases.

第三:打喷嚏、讲礼仪。

咳嗽

、喷嚏时产生的飞沫常常携带病毒,可直接或间接导致病毒传播。

Third: sneeze and speak etiquette. Droplets produced during coughing and sneezing often carry viruses, which can directly or indirectly lead to the spread of viruses.

第四:勤洗手、讲卫生。勤洗手、讲卫生是保证身体健康最重要的方法。

Fourth: wash hands frequently and pay attention to hygiene. Frequent hand washing and hygiene are the most important ways to ensure good health.

第五:常通风、不可少。开窗通风,保持室内空气流动,可有效降低空气中病毒和细菌的浓度,减少疾病传播风险。

Fifth: regular ventilation is indispensable. Opening windows for ventilation and keeping indoor air flowing can effectively reduce the concentration of viruses and bacteria in the air and reduce the risk of disease transmission.

第六:一米距、更安全。

Sixth: one meter away, safer.

第七:少出门、不聚集。

Seventh: go out less and don't gather.

第八:打疫苗,很重要。

Eighth: vaccination is important.

第九:讲科学、强免疫。

Ninth: emphasize science and strengthen immunity.

一篇关于日本核电站辐射问题的报道:

Scientists lack complete answers on radiation risk

ShareretweetEmailPrint AP – Mother and daughter receive radiation exposure scanning in Fukushima, northern Japan Friday, March 18, … By The Associated Press The Associated Press – Fri Mar 18, 6:21 pm ET

Thyroid cancer for sure. Leukemia, probably. Too much radiation can raise the risk of developing cancer years down the road, scientists agree, and the young are most vulnerable. But just how much or how long an exposure is risky is not clear.

Those are among the unknowns scientists are contemplating as the crisis unfolds at Japan's stricken nuclear power plant.

In Japan, the Science Ministry said radiation levels about 19 miles northwest of the Fukushima Dai-ichi plant rose at one point Friday to 0.15 millisieverts per hour, about the amount absorbed in a chest X-ray. But levels have been fluctuating, and radiation at most sites that distance from the facility have been far below that.

Long term, it is clear radiation can induce cancer. But researchers can't just count cancer cases after a disaster and declare radiation responsible. Rates before and after must be compared to know if more cases occurred than would be expected.

That is why, 25 years after the Chernobyl accident, there is still controversy over its effects beyond the undisputed 6,000 cases of thyroid cancer. Of these cases, only 15 had proved fatal as of 2005, even though the Soviets were slow to treat victims of the catastrophe.

The records necessary to spot trends in other types of cancer as a result of Chernobyl are poor, said Dr. Fred Mettler, a University of New Mexico scientist who led a United Nations-sponsored team investigating Chernobyl's health effects.

"At the end of the day, the scientific data isn't there. My instinct is, there probably is an increase there, but it's too small to see," he said.

The U.S. Environmental Protection Agency says that no amount of radiation is absolutely safe above the 3 to 6 millisieverts a year that most of us get from normal living. In contrast, the Nuclear Regulatory Commission says that low doses — less than 100 millisieverts spread out over years — are not harmful. Researchers have not documented danger from such low levels, said Kelly Classic, a radiation physicist at the Mayo Clinic and a spokeswoman for the Health Physics Society, an organization of radiation safety specialists.

High doses — over 500 millisieverts — can raise the risk of leukemia, breast, bladder, col