Democratic White House candidate Joe Biden on Friday called on Americans not to
"play tough"
and wear a mask, after the announcement that Donald Trump tested positive for Covid-19.
The former vice-president of Barack Obama tested negative Friday morning, after being tested because he had shared the stage of the first presidential debate with his Republican rival on Tuesday.
Read also: Joe Biden tested negative for Covid-19
"It's so important,"
he said of wearing the mask during a campaign speech in Grand Rapids, key state Michigan.
“So be a patriot. It's not about playing hard. It is about taking part in the collective effort. Wearing a mask will not only protect you but also those around you. ”