Following an unusual timeline, a Californian ER nurse tested positive for Coronavirus just a week after getting Pfizer vaccine. 

ER nurse Matthew W., 45, who worked in two different hospitals recieved Pfizer vaccine on 18th Dec, and just a week later, she has been tested positive for COVID. After working in COVID unit for a week, Matthew felt ill and took a test for COVID in which she was tested positive.

She was experiencing basic symptoms of COVID. Two days later, she was tested positive.