Pfizer Says Its COVID Pill 90 Percent Effective

Pfizer said Friday that its experimental antiviral pill for COVID-19 cut hospitalization and death rates by nearly 90 percent in high-risk adults.

辉瑞公司周五表示，其试验性新冠抗病毒药丸使高风险成年人的住院率和死亡率降低了近90%。

Pfizer's study was stopped when 774 adults had been treated for 28 days.

辉瑞的研究在774名成年人接受了28天治疗后停止。

Among those who took an inactive substance, or placebo, there were 27 hospitalizations with seven deaths.

在服用无活性物质（即安慰剂）的人中，有27人住院，其中7人死亡。

Pfizer said adults in the study were considered high risk for hospitalization.

辉瑞表示，参与研究的成年人被认为住院风险较高。

They were unvaccinated and showed signs, or symptoms, of mild to moderate COVID-19.

他们未接种疫苗，并出现了轻度至中度新冠的迹象，即症状。

The study shows an 89 percent reduction among patients treated within three days of showing symptoms.

研究显示，在出现症状后三天内接受治疗的患者中，风险降低了89%。

A larger study of 1219 people also shows an 85 percent reduction among those treated within five days.

一项涉及1219人的更大规模研究也显示，在五天内接受治疗的人中风险降低了85%。

In that study, six people who received the Pfizer medication were hospitalized.

在那项研究中，服用辉瑞药物的人中有六人住院。

No one in that group died.

该组中无人死亡。

There were 41 hospitalizations and 10 deaths in the placebo group.

安慰剂组有41人住院，10人死亡。

The company said it will ask the FDA and international health officials to approve the pill as soon as possible.

该公司表示，将尽快请求FDA和国际卫生官员批准这种药丸。

The treatment, called Paxlovid, consists of three pills given twice a day for five days.

这种名为Paxlovid的疗法包括三片药，每天服用两次，连服五天。

Last month, drugmaker Merck announced study results of an antiviral pill it produced.

上个月，制药公司默克公布了其生产的一种抗病毒药丸的研究结果。

It cut rates of hospitalization and death by 50 percent.

它使住院率和死亡率降低了50%。

This week, Britain approved that pill for emergency use.

本周，英国批准该药丸紧急使用。

The FDA is currently considering whether to approve it for emergency use in the U.S.

FDA目前正在考虑是否批准该药在美国紧急使用。

Last year, Pfizer researchers started studying it for COVID-19.

去年，辉瑞研究人员开始研究将其用于治疗新冠。

The FDA has already approved several treatments for COVID-19.

FDA已经批准了几种新冠疗法。

But all of them must be injected by healthcare workers.

但它们都必须由医护人员注射。

Pills can be taken at home and are easier to send around the world.

药丸可以在家服用，也更容易运往世界各地。

Pfizer said it could produce more than 180,000 treatments by the end of 2021 and at least 50 million by the end of 2022.

辉瑞表示，到2021年底可生产超过18万个疗程，到2022年底至少生产5000万个疗程。