#covid symptoms
COVID Symptoms 2025: 10 Surprising Signs Doctors Warn You Not to Ignore
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(New York, May 27 2025) — Nearly five years into the pandemic, COVID-19 continues to evolve, and so do the symptoms patients are reporting. Health officials say paying attention to even mild changes in your health is critical as a new spring surge—driven by the NB.1.8.1 and XEC sub-variants—pushes case counts higher in several U.S. regions.
Most-reported COVID symptoms in 2025
• Nasal congestion or runny nose
• Sore throat that feels “scratchy” rather than raw
• Mild, dry cough that can worsen after three to four days
• Low-grade fever or intermittent chills
• Headache and sinus pressure
• Fatigue and muscle aches that come on suddenly
• Gastrointestinal issues such as brief diarrhea in roughly 15 % of cases
• Loss or blunting of taste and smell—now appearing later in the illness, if at all
What’s different about variant NB.1.8.1?
Infectious-disease specialists tracking NB.1.8.1 say it spreads about 12 % faster than winter’s dominant JN.1 strain, but it has not shown signs of causing more severe disease. Early data suggest congestion, headache and sore throat appear 24–48 hours before a fever, making the virus easy to confuse with seasonal allergies.
Early vs. common cold: three quick checks
1. Symptom timing: COVID fatigue often peaks on day 1; allergy fatigue tends to build slowly.
2. Fever: even a low-grade temperature (99.5 °F or higher) is uncommon in allergies.
3. Sudden loss of taste/smell: still a red flag for COVID, though less frequent than in 2020.
When to test and isolate
• Test immediately if you have any of the symptoms above, especially before visiting high-risk individuals.
• A second rapid test 48 hours later catches up to 20 % of cases missed on the first try, according to CDC field studies.
• You are considered contagious from one to two days before symptoms start until roughly day 10; most transmission happens in the first five days.
Treatment snapshot
Paxlovid remains the first-line oral antiviral and must be started within five days of symptom onset. Telehealth providers can prescribe it in most states, and many pharmacies report adequate supply. Those ineligible for antivirals should focus on hydration, fever control and monitoring oxygen saturation; seek urgent care if readings fall below 94 %.
Prevention priorities for spring 2025
• Stay current with the 2024–25 updated COVID vaccine; preliminary studies show it cuts the risk of symptomatic NB.1.8.1 infection by 40–50 %.
• Ventilate indoor spaces—opening two opposite windows for even ten minutes can reduce airborne viral particles by up to 65 %.
• Wear a high-filtration mask (N95 or KF94) on planes, buses and in crowded indoor venues when local transmission is high.
Bottom line
Because today’s COVID symptoms often mimic a spring cold, experts urge “test, don’t guess.” Quick isolation, timely antivirals and up-to-date boosters remain the surest ways to keep mild illness from turning into a household outbreak.
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