People attend a COVID testing centre at a Hospital in Ajax, Ont., on Tuesday July 28, 2020. THE CANADIAN PRESS/Chris Young »

President Donald Trump plays catch with former New York Yankees Hall of Fame pitcher Mariano Rivera as he greets youth baseball players on the South Lawn of the White House to mark Opening Day for Major League Baseball, Thursday, July 23, 2020, in Washington. (AP Photo/Evan Vucci) »

Protesters gather in Halifax’s Victoria Park to demand a public inquiry into the deadly mass shootings that claimed 22 lives in Nova Scotia last April, on Monday, July 27, 2020. The federal and provincial governments have announced a review of the massacre that will not be able to compel witnesses or testimony, no power to subpoena evidence and won’t be able to make binding recommendations to the government. THE CANADIAN PRESS/Andrew Vaughan »

People stop in front of a camera that detects infrared light and produces an image showing warmer body areas appearing white and yellow and colder ones blue or green, at Telus World of Science, during the first of four days of free admission for essential workers and their families, in Vancouver, on Thursday, July 23, 2020. The facility has instituted occupancy limits, timed entry online ticket sales and visitors aged six and older are required to wear a face mask. They are scheduled to reopen to the general public on August 1st. THE CANADIAN PRESS/Darryl Dyck »

President Donald Trump poses for photographs with a group of supporters of Terry Sharpe, pictured right of Trump, known as the “Walking Marine” arrives at the White House in Washington, Monday, July 27, 2020. Sharpe has walked from Summerfield, N.C., to Washington to raise awareness of the current veteran suicide rate. Also pictured is Veterans Affairs Secretary Robert Wilkie, left of Trump. (AP Photo/Andrew Harnik) »

A pleasure boat is seen at the lake Wolfgangsee in St. Wolfgang, Austria, Monday, July 27, 2020 .More than 50 corona tests in the small community of St. Wolfgang in the Salzkammergut have been positive in the past few days. Young interns in tourism companies are particularly affected, but at least one holiday guest has also been tested positive. St. Wolfgang is the most important holiday resort in Upper Austria.(AP Photo/Kerstin Joensson) »

A man wears a decorated face mask as he waits to be tested for the coronavirus in Tangerang, Indonesia on July 21, 2020. (AP Photo/Tatan Syuflana) »