中研院傳出突破性感染
A female laboratory worker at Taiwan’s Academia Sinica is said to have caught the delta variant after being bitten by an infected mouse.
台灣中研院一名女實驗員疑似被實驗鼠咬傷後感染Delta變異株。
be said to=據說…bite-bit-bitten
The country had not seen any local infection cases for over a month until the case was confirmed.
該國超過一個月以來皆無本土病例，直到該女子確診感染後才破功。
not..until…=直到…才…
Those who came into contact with the worker have tested negative.
與該實驗員有過接觸的人採檢皆呈陰性反應，
come into contact with sb.=與某人接觸negative(adj.)陰性的positive(adj.)陽性的
Further investigation is needed to identify where the infection is from - whether it started from the lab or outside.
目前仍需進一步調查感染源究竟源自實驗室內部還是外部。
investigation(n.)調查identify(v.)辨別;認出
Sheng Cheng-nan, a doctor at the Tsaotun Psychiatric Center, argued that COVID-19 is rarely transmissible through blood transfusion, so the worker is unlikely to have caught the virus because of a mouse bite.
草屯療養院醫師沈政男認為新冠病毒基本上不會經由血液傳染，因此該實驗員染疫不可能是老鼠咬傷所致。
transmissible(adj.)具有傳染力的transmit(v.)傳染
He added that COVID-19 spreads through droplets and aerosols, and that is why the coronavirus could spill back from infected minks to humans, though in a very small number of cases.
他補充說新冠病毒經由飛沫傳染，這是為什麼病毒可透過水貂傳染給人類，但這樣的案例少之又少，
spill(v.)灑出;濺出
But this might not be the case for the lab worker.
而水貂的案例又跟實驗員的情況不同。
It is reported that the worker was bitten twice by an infected mouse, which occurred on October 15 and November 19.
據了解，該實驗員曾於10月15日及11月19日二度被實驗鼠咬傷。
occur(v.)發生
Her first PCR test result was negative, which showed no infection.
首次快篩結果為陰性，
However, she started to have a bad cough after being bitten the second time.
而第二次被咬傷後則嚴重咳嗽，
cough(v.)(n.)咳嗽sneeze(v.)(n.)(打)噴嚏headache(n.)頭痛
It was not until December 9 that she had been confirmed to be infected with the virus even though she received two doses of the Moderna vaccine.
直到12月9日才確診感染新冠病毒，即便她已接種了兩劑莫德納疫苗。
vaccine(n.)疫苗vaccinate(v.)給…接種疫苗