To this day many Chinese doctors continue to use
to help their patients.

Vaccine

Explanation: Since SARS-CoV-2 was first reported in China almost a year ago, policymakers have swung the weight of the state’s resources towards developing a vaccine. Their approach, alongside similar efforts in other countries, has thrown a spotlight on immunology, epidemiology and virology, bringing increased funding, prestige and public interest.

the answer is b: an economic crisis throughout the country.

raymond can buy special closed cooling containers or a semi-truck with a air conditioned cooling system and an open box for the fruits,