RT @guardian: I'm a viral immunologist. Here's what antibody tests for Covid-19 tell us https://t.co/g6X3wFuIz9
RT @guardian: I'm a viral immunologist. Here's what antibody tests for Covid-19 tell us https://t.co/g6X3wFuIz9
Civil engineer retired 66years old from Holland trading in options is mechanic so as a engineer can use my skills in trading options
66years old retired civil engineer from Holland Trading in options is as a mechanic so engineers can use my skills in trading options