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The COVID guide: JN.1 now accounts for over 90% of U.S. cases, some mask restrictions lifted

An illustration with photos of syringes, people wearing masks, a COVID test, and images representing different COVID-19 variants.
Yahoo Life answers your FAQs on current COVID-19 case counts, masking and more. (Photo illustration: Alice Lagarde for Yahoo News; photos: Shutterstock)

A lot has changed since SARS-CoV-2 (the virus responsible for COVID-19) appeared on the world stage four years ago. In 2020 the novel coronavirus infected and upended the daily lives of millions of people, but today life has mostly returned to normal: Restrictions have been lifted, people are a lot less cautious, and the etiquette rules around keeping yourself and others healthy aren’t so clear-cut. So if you’re confused about the current state of COVID-19 and how to reduce your risk, here’s a guide with everything you need to know — from variant- and case-tracking to the most up-to-date public health recommendations on masking, vaccines, testing and more.

Variants

  • What COVID variant is dominant right now? JN.1, which was first detected in the U.S. in September, is the most dominant COVID strain. This heavily mutated version of the virus accounts for over 90% of cases nationwide, and is descended from the BA.2.86 variant (nicknamed Pirola). HV.1, which was first detected over the summer and was once the most dominant variant, is the second-most common nationwide, accounting for about 2% of cases. Both appear to share many of the symptoms we’ve come to know from other variants, including fever, cough, stuffy or runny nose, sore throat and loss of taste or smell. Dr. Mandy Cohen, director of the Centers for Disease Control and Prevention, told Yahoo Life that newer variants appear to be more transmissible but don’t seem to be growing any more dangerous. You can follow the latest COVID variant surveillance on the CDC website.

  • Are cases currently increasing or decreasing? The CDC has launched a dashboard that tracks COVID levels in wastewater. Currently, wastewater viral activity levels for COVID are "high" nationwide, but have been dropping since a peak during the first week of January. Officials are also using hospitalizations as a key indicator to gauge how prevalent COVID is in the U.S. This week’s national forecast of hospitalizations from the CDC “predicts 640 to 5,900 daily COVID-19 hospital admissions likely reported on March 4" — a decrease in the 2,100 to 12,000 daily hospital admissions that were expected to be reported on Feb. 12.

Masks

  • When do I need to wear a mask? Masking at this point is a personal choice, but the CDC suggests using hospital admission levels in your area to determine whether a mask is necessary. You can check hospital admission levels by county here, with data updated by the CDC weekly. The CDC also recommends wearing a mask indoors around others at home and in public for at least 10 days if you test positive for COVID, and wearing a mask around others for up to 10 days if you’ve been exposed to someone who tested positive.

  • Are mask mandates coming back? Cohen told Yahoo Life in December that “we’re in a different place than we’ve been before," and Dr. Anthony Fauci, former director of the National Institute of Allergy and Infectious Diseases, said in September that it’s unlikely federal mask mandates will return. Still, some individual institutions have brought masks back; as respiratory virus season kicked into full gear, hospitals in several states implemented some form of masking requirements. But as COVID cases and hospitalizations have begun to decrease, some of those temporary masking requirements are being lifted.

Testing

  • Are at-home tests free? As of Sept. 25, every household in the U.S. can order four free rapid COVID tests to be mailed directly to their home. In November, the federal government expanded the program to include four more free tests per household — meaning that if you haven’t taken advantage of free tests since the program started in September, you can now order a total of eight free at-home COVID tests. You can place your order here. Testing will also be available through schools; the U.S. Department of Education announced that schools will be able to order free tests “to supply students, families, staff and larger school communities.” And the federal government has additional programs that provide free COVID tests “to uninsured individuals and underserved communities.”

  • How accurate are at-home tests? The Food and Drug Administration says that at-home COVID antigen tests (aka rapid tests) are less precise than molecular tests (i.e., the PCR tests performed at a hospital or clinic), and false negatives may be more likely to happen, especially if the test is taken shortly after infection or when you don’t have symptoms. If you get a negative result on an at-home COVID test, the FDA recommends testing again 48 hours later, even if you don’t have symptoms. PCR tests are still considered the gold standard in COVID testing, but experts believe at-home tests should still be able to pick up newer variants.

  • Can I use an expired test? The Food and Drug Administration revised expiration dates for some tests to extend them by several months. Follow this link, find your test’s name, click on Extended Expiration Date, and check the lot number on your box to see the new expiration date for your test.

Vaccines

  • Who should get boosted? The CDC recommends that everyone 6 months and older get the updated monovalent vaccine, which became available in September. The updated vaccine targets the XBB.1.5 Omicron strain and is expected to be effective against currently circulating variants. Pfizer’s and Moderna’s vaccines, which use mRNA technology, are approved for anyone 6 months and older. Anyone age 12 and older is eligible for the updated Novavax vaccine, which uses a more traditional protein-based approach. But few Americans have taken advantage. As of Feb. 2, 21.8% of adults had received the newest COVID shot, according to CDC data; more than twice as many U.S. adults (47.1%) have gotten a flu shot.

  • Are vaccines free? COVID vaccines are covered by insurance, Medicare and Medicaid. The federal Bridge Access Program provides free COVID vaccines for uninsured and underinsured adults, and the federal Vaccines for Children program provides vaccines for children at no cost. But the U.S. government is no longer buying and distributing vaccines, which initially led to a rocky rollout with some canceled appointments as individual doctors offices, pharmacies and insurance companies handle the process themselves.

  • Can you get COVID and flu shots at the same time? Yes. Research shows there’s only a slightly higher chance of experiencing side effects such as pain at the injection site or fatigue, and there’s no decrease in benefit. Experts suggest doing whatever is most convenient, and you can opt for both shots in the same arm or one in each arm.

  • Do vaccine cards matter? Most people no longer need to show that they’ve been vaccinated — unless you’re a health care worker or if you work in a high-risk environment, like a college dorm or nursing home. The CDC has stopped printing vaccine cards, but if you still have your card it’s a good idea to treat it like any other medical record and file it away in a safe place. If you’ve lost your card and want proof of vaccination, some states have registries that include adult vaccines, or you can contact the doctor’s office or pharmacy that administered your vaccine, which can provide digital or paper verification.