复阳

to test positive again (for COVID-19) after previously testing positive and then later, negative; to have a rebound positive test result

to go and return / to return / to resume / to return to a normal or original state / to repeat / again / to recover / to restore / to turn over / to reply / to answer / to reply to a letter / to retaliate / to carry out

to repeat / to double / to overlap / complex (not simple) / compound / composite / double / diplo- / duplicate / overlapping / to duplicate

variant of 復|复[fu4] / to reply to a letter

positive (electric.) / sun / male principle (Taoism) / Yang, opposite: 陰|阴[yin1]