We have seen that across the globe there are higher levels of mortality at the weekend in hospitals.
"It's impossible for scientists to prove a negative, especially when you have pretty low levels of mortality from year to year," Ms. Cornish said.
Even if we total the 20th century's extraordinary war casualty list, it doesn't equal the levels of mortality in this pandemic.
"They're most likely to have increased levels of mortality and morbidity".
These problems all converge in the nation's hospitals, where doctors report rising levels of mortality thanks to a dire shortage of medical supplies, shutdowns of operating theatres, staff declines and violent crime, including gunshots during surgery and mugging in corridors.
In the DRC, the UN suggests, more than 3.5 million deaths in excess of previous levels of mortality "occurred from the beginning of the war up to September 2002.
Over all, they discovered musicians suffered "higher levels of mortality than demographically matched individuals in the general population".
Unfortunately, the dolphins were also encircled by the huge nets, resulting in high levels of mortality known as fisheries bycatch.
Figure 4 Carbon recovery timing after wildfire at five levels of mortality and regeneration, treated reference point.
Such factors may interact with each other, but high levels of mortality do not necessarily lead to population declines.
Greater relative abundance of fire-tolerant larch was associated with reduced levels of mortality at community scales.
