“BA.5 gets an A-plus for contagiousness,” one expert says.
Everyone is different. While one person may have a high fever and severe headache, another may have mild cold symptoms and no fever at all. It’s also not yet clear if BA.5 causes a loss of taste or smell—a once telltale sign of a COVID-19, Dr. Schaffner notes.
The important takeaway: If you start feeling sick, assume it could be a COVID infection, especially because a new, highly infectious strain is circulating. Your first test could come back negative, but it’s important to keep testing. TheDoes BA.5 cause more severe COVID illness? Again, Dr. Shaffner mentions there isn’t concrete research on whether the illness caused by BA.5 is more severe than previous variants. However, he emphasizes that even a “mild infection” is not something anyone wants to endure, as the illness can still lead to heavy fatigue, fever, and other unpleasant symptoms that may require some downtime to recover from.
“COVID seeks out the unvaccinated and the partially vaccinated among us,” Dr. Shaffner says. “Those two groups continue to be the groups that are most frequently hospitalized.”The best protection we have against COVID-19, especially severe illness that can lead to hospitalization, is full vaccination, Dr. Schaffner says. However, he never tells anyone that the vaccine makes them completely “safe,” regardless of the dominant strain.
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