New Facts for a New Pandemic

With the majority of Covid-19 cases in Canada now being the variants of concern (VOCs), it is time to update what we know.

Here is the science as of today (Ontario, April 10, 2021):


· Covid-19 is airborne: the virus can hang suspended in the air for hours and travel much further than 2m (6’), especially indoors in inadequately ventilated spaces*

· The virus can be spread to others from someone who is infected but not showing symptoms. This includes people who have not yet developed symptoms (pre-symptomatic) and those who never develop symptoms (asymptomatic)

· The majority of Covid-19 cases in Canada are now the variants of concern, which are 1.2–2.2 times more contagious, and 60% more deadly

· The highest risk individuals for COVID-19 infection in Ontario are now young, healthy people 10–39,

· A single dose of current approved vaccines provides protection against severe illness, but you are not fully protected until two weeks after your second dose; the level of protection may change as variants evolve

· Cloth masks do not offer enough protection from Covid-19 indoors unless they are lined with polypropylene; KN95 masks or those with similar levels of filtration are recommended

· Mask fit is crucial; even small gaps reduce your protection. Check your fit:

· Outdoors is safer than indoors; transmission is greatly reduced (at least 19 times), but transmission can occur in close or crowded conditions and masking further reduces risk

Seriousness of Illness

· Young healthy people with Covid-19 are deteriorating quickly at much higher rates

· Brain disorders (neurological or psychiatric diagnosis)* affect 1 in 3 Covid-19 survivors

· 1 in 4 people diagnosed with even mild cases Covid-19 report long Covid-19 symptoms months after recovering

· The death toll of Covid-19 is likely much higher than official numbers as evidenced by the much higher than average expected deaths all over the world

Compiled April 10, 2021. Doctors and scientists, please send edits, corrections, or additions to

  • Clarifications added April 11, 2021, thanks to those who made suggestions

RESOURCES (added April 23, 2021)


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g gordon

g gordon


writer. media artist. citizen researcher. film programmer. wrangler of small humans. reads science journals to relax. she/her