Scientists are warning of a "summer wave" of COVID-19 cases after a new group of Omicron subvariants was detected circulating in the U.S. These strains, referred to as "FLiRT" due to the specific mutations in their spike proteins, have raised significant concerns. As we transition into warmer months, understanding the characteristics of these new variants is vital for public health and safety. So, what do we need to know about FLiRT variants, and should we be worried?
Lawrence Young, a virologist and professor of molecular oncology at the U.K.'s University of Warwick, highlighted that the FLiRT variant was first identified in wastewater samples in the U.S. However, its precise origin remains unclear. He stated, “Now the FLiRT variant is spreading in the U.S. and beyond,” indicating a pressing need for vigilance.
Among the variants, the KP.2 variant, specifically, has been identified as responsible for approximately 25% of new infections in the U.S., according to data from the U.S. Centers for Disease Control and Prevention (CDC). Young expressed concerns that this variant could contribute to a wave of infections as summer approaches. While there are indications that KP.2 may spread more easily than previous variants, it is still uncertain whether it poses a greater health risk.
Young emphasized the importance of monitoring the spread of these variants, noting that the current testing capabilities are insufficient. The emergence of new virus variants combined with waning immunity poses a significant risk, especially for vulnerable populations, including the elderly and those with compromised immune systems. He stated, “While currently available vaccines are not a perfect match for these new variants, booster jabs should provide some protection.”
It is crucial to stay informed about the symptoms associated with the FLiRT variants. Currently, they appear to be similar to those of existing strains, including:
- Fever or chills
- Cough
- Shortness of breath
- Fatigue
- Muscle or body aches
- Headache
- Loss of taste or smell
- Sore throat
- Runny nose
- Nausea or vomiting
- Diarrhea
To protect yourself from these new variants, health experts recommend following standard precautions. This includes testing if you feel unwell, isolating if you test positive, avoiding crowded and poorly ventilated spaces, and wearing a face mask in close proximity to others, particularly in public transport settings. Staying vigilant and informed is paramount as we navigate through this ongoing pandemic.
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