suffered


Researchers discovered that 85% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. Only 29% of healthy people have this disease. Suppose that in a certain community heart attacks are quite rare, occurring with only 10% probability.



Pharmaceutical companies have been criticised for knowledge hoarding, secret pricing, unreasonable profits, unfair bilateral deals, and extortionate demands for indemnification against liability. , COVAX has been criticised for an absence of transparency and accountability and for ignoring need in COVID-19 vaccine distribution. , , , All parties.