爷孙俩远远的走来，爷爷的扇子一直没有离开孙子身体旁边，一路慢慢的走，慢慢的扇风，而孙子手里拿着一根木棍，边走边玩儿，好不自在！
Gilead Sciences Offers experimental drug for Coronavirus treatments testing.
Gilead Sciences Inc. said that it had provided doses of an experimental antiviral抗病毒的 drug to doctors for the emergency treatment of a small number of patients infected by the new coronavirus.
Gilead，based in frost frost city, California， also said it has formalized（使正式定下来） an agreement达成协议 with Chinese authorities to conduct a clinical trial组织实施临床试验 of the drug remdesivir瑞德西韦 in patients infected with the coronavirus .
Unlike some of the other antivirals抗病毒药 being examined, the drug isn't approved for use in humans by regulators in the us or internationally Unapproved drugs are sometimes put into use or in testing in emergencies when health authorities believe the drug could help patients who otherwise lack good treatments.
Separately另外， the drug was admittedly to an infected patient in Washington state. After treatment, he had reduced fevers and no longer required oxygen. His lungs cleared up痊愈 and he generally felt better, said George, the patients attending physician主治医师.
resident physician住院医师
Doctor George cautioned提醒 cautioned, however, that the drug has to be studied in large clinical trials to determine whether it is an effective treatment for the coronavirus.
In animal studies, the drug helped lessen减轻 lung disease in mice infected with Middle East respiratory syndrome呼吸综合征, a coronavirus known as MERS.
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