Expect more worrisome variants after omicron, scientists say
When new variants do develop, scientists said it’s still very difficult to know from genetic features which ones might take off. For example, omicron has many more mutations than previous variants, around 30 in the spike protein that lets it attach to human cells. But the so-called IHU variant identified in France and being monitored by the WHO has 46 mutations and doesn’t seem to have spread much at all.
To curb the emergence of variants, scientists stress continuing with public health measures such as masking and getting vaccinated. While omicron is better able to evade immunity than delta, experts said, vaccines still offer protection and booster shots greatly reduce serious illness, hospitalizations and deaths.
Anne Thomas, a 64-year-old IT analyst in Westerly, Rhode Island, said she’s fully vaccinated and boosted and also tries to stay safe by mostly staying home while her state has one of the highest COVID-19 case rates in the U.S.
“I have no doubt at all that these viruses are going to continue to mutate and we’re going to be dealing with this for a very long time,” she said.
Ray likened vaccines to armor for humanity that greatly hinders viral spread even if it doesn’t completely stop it. For a virus that spreads exponentially, he said, “anything that curbs transmission can have a great effect.” Also, when vaccinated people get sick, Ray said their illness is usually milder and clears more quickly, leaving less time to spawn dangerous variants.
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