A new wave of COVID-19 is starting to make its way through Utah, with increasing numbers of people testing positive for the virus and visiting emergency departments across the state.

Dr. Eddie Stenehjem, an infectious disease physician at Intermountain Healthcare, said with the colder weather and people staying indoors more, it’s not surprising the virus is starting to increase — but it’s not the only one rearing its ugly head.

“We’re also seeing a lot of RSV (respiratory syncytial virus) in children as well as more and more influenza,” he said. “If you haven’t been vaccinated for the flu, now is a good time to do so.”

As far as COVID-19 is concerned, Stenehjem said two new omicron subvariants have arrived in Utah: BQ.1 and BQ.1.1., which have been shown to evade immunity from vaccination and previous infection. While the latest booster vaccine covers the original strain of the virus as well as omicron subvariants BA.4 and BA.5, the shot can still offer some protection.

“It’s incredibly important for people to get the vaccine without hesitation,” he said. “Is it going to prevent infection? No, but it will add to our immunity response and keep us from getting severely ill, hospitalized or dying. We know the vaccine and our immunity wanes over a four to six month period, so if you’re not up to date, now is a great time to get vaccinated.”

In addition, Stenehjem said it’s important to think about hand washing, staying home when you’re sick and making sure you’re in a well-ventilated area, especially in crowds.

The vaccine, Stenehjem said, takes about seven to 10 days to take full effect. Side effects can include a sore arm, fever and chills.

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