Note that to make the overall risk of adverse effects from covid19 lower, any treatment that is taken after the onset of symptoms must be much more effective at

Note that to make the overall risk of adverse effects from covid19 lower, any treatment that is taken after the onset of symptoms must be much more effective at preventing adverse effects in symptomatic patients compared to a vaccine. This is because the vaccine greatly reduces the probabilty of symptomatic infections, while the other treatments do not.