A single dose of the vaccine may not generate a sufficient immune response to protect against dominant new variants, except in people who have already been infected with COVID-19.
Vials full of doses often must be kept in extreme cold, and once opened have to be used quickly, making delivery to smaller, far-flung populations difficult.
With the other COVID-19 vaccines in Europe focused on the virus’s spike protein, this shot could protect against variants that might compromise others, making it the perfect booster.
Researchers have discovered a series of creativity-linked genes that may have given Homo sapiens a significant edge over Neanderthals, enabling them to avoid extinction. The findings suggest that these genes played "a fundamental role in the evolution of creativity, self-awareness and cooperative behavior," the multinational ...