Doctors say they are making progress in understanding the disease, but warn against hoping for an early vaccine
Covid-19 has now been afflicting humans for six months – first in China and later in other nations as the virus embarked on its global conquest. The experience has been a grim one for our species. To date, more than six million people have been infected and an estimated 400,000 have died, a toll that will inevitably continue to rise for years to come.
Our world has been transformed in the process. Lockdowns have been imposed, borders have been closed, care homes for the elderly have been ravaged by illness, and national economies placed under extreme strain.
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