or frequent outbreaks possible. Very high: Respiratory pathogens that are transmitted through fine aerosol and are potentially transmitted to anyone sharing the same airspace with the case. Potential to cause large, widespread, ongoing, devastating outbreaks. Considered on a per case basis, without considering 1= low severity and socioeconomic impacts Severity and socioeconomic incidence or prevalence. The cost and severity of a single impacts 2= medium severity and socioeconomic impacts case, if there were one. 3= high severity and socioeconomic impacts Low: Short-term illness, and/or complete recovery in majority of cases, and/or case-fatality close to 0%/ low 4= very high severity and socioeconomic impacts cost to community or heath care system. Medium: Short or somewhat longer-term illness, and/or lengthy recovery in some cases, and/or case-fatality = 0% to 1%/low to medium cost to community or healthcare system. High: Long-term disability, and/or recovery rare, and/or death more likely, and/or case-fatality = 1% to 10% and/or medium to high cost to community or healthcare system. Very high: Severe illness, and/or death is most likely outcome, and/or case fatality = 10% to 100% and/or high cost to community or healthcare system. Subjectively ranked, based on the efficacy (including Preventability 0= no preventive measure risk/benefit) of available preventive measures, including, 1= preventive measure available but low efficacy but not restricted to, vaccines. Consider the efficacy,
or frequent outbreaks possible. Very high: Respiratory pathogens that are transmitted through fine aerosol and are potentially transmitted to anyone sharing the same airspace with the case. Potential to cause large, widespread, ongoing, devastating outbreaks. Severity and socioeconomic impacts 1= low severity and socioeconomic impacts 2= medium severity and socioeconomic impacts 3= high severity and socioeconomic impacts 4= very high severity and socioeconomic impacts Considered on a per case basis, without considering incidence or prevalence. The cost and severity of a single case, if there were one. Low: Short-term illness, and/or complete recovery in majority of cases, and/or case-fatality close to 0%/ low cost to community or heath care system. Medium: Short or somewhat longer-term illness, and/or lengthy recovery in some cases, and/or case-fatality = 0% to 1%/low to medium cost to community or healthcare system. High: Long-term disability, and/or recovery rare, and/or death more likely, and/or case-fatality = 1% to 10% and/or medium to high cost to community or healthcare system. Very high: Severe illness, and/or death is most likely outcome, and/or case fatality = 10% to 100% and/or high cost to community or healthcare system. Preventability 0= no preventive measure 1= preventive measure available but low efficacy Subjectively ranked, based on the efficacy (including risk/benefit) of available preventive measures, including, but not restricted to, vaccines. Consider the efficacy,