Why experts aren't declaring victory yet despite fewer COVID-19 deaths so far in Ontario's 2nd wave

“There's a definite trend towards improvement, but with a caveat. We haven’t observed where that trend is going to end up,” said one Toronto doctor of the declining death rate during the second wave of COVID-19 in Ontario. https://www.cbc.ca/news/canada/toronto/ontario-covid-19-deaths-2nd-wave-1.5782659?cmp=rss #news/canada/toronto