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The variations could mean that a vaccine used to prevent the virus in one country might not work on a virus from a different region, he said.
One of the reasons the coronavirus mutates so rapidly is because of what it's made of.
Rather than consisting of DNA, like a papillomavirus, the novel coronavirus is made of RNA, which is less stable, said Farkas.
"So the mutation rate is higher than DNA viruses," he said. "It mutates, evolves very rapidly, and that's the problem.… You can't capture a single virus, or a single vaccine."
Maintaining physical distancing
In the absence of a viable vaccine, Farkas said it is important for people to maintain physical distancing to limit the spread of the virus, because the more people it spreads to, the more chances it has to mutate and pass on its variants.
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Tole ne bo šlo čez, je preveč v nasprotju z "nujnim čimhitrejšim prekuževanjem, ker bo pol mir" in pa "to je isti sh1t kot gripa a.k.a. nothing special" logiko.