COVID-19 vaccines tweaked to better match today’s omicron threat are expected to roll out in a few weeks but still up in the air is how much benefit the booster shots will offer, who should get one -- and how soon.

Arizona Cardinals quarterback Kyler Murray has tested positive for COVID-19.

The Mohave County Board of Supervisors and the county Department of Public Health have reduced the frequency of the county’s public COVID-19 reports to once a month.

President Joe Biden likely contracted a highly contagious variant of the coronavirus spreading rapidly through the United States, and now has body aches and a sore throat since his positive test, according to an update from his doctor on Saturday.

Mohave County is now identified by the CDC as a high-transmission area for the coronavirus, and health officials say coronavirus cases have continued to trend upward over the past month.

The Biden administration is calling on people to exercise renewed caution about COVID-19, emphasizing the importance of getting booster shots for those who are eligible and wearing masks indoors as two new highly transmissible variants are spreading rapidly across the country.

Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the omicron variant is safe and works — just days before regulators debate whether to offer Americans updated booster shots this fall.

Federal health officials said Sunday that kid-sized doses of Pfizer’s COVID-19 vaccines appear to be safe and effective for kids under 5, a key step toward a long-awaited decision to begin vaccinating the youngest American children.

There were 384 new cases of COVID-19 and three additional deaths from the disease in Mohave County in the two-week period ending Wednesday, June 8, according to the Mohave County Department of Public Health.

The Biden administration said Thursday that children under 5 may be able to get their first COVID-19 vaccination doses as soon as June 21, if federal regulators authorize shots for the age group, as expected.

The Mohave County Department of Public Health reported 259 new COVID-19 cases and four additional deaths in the county in the two-week period ending Wednesday, May 25.

U.S. regulators on Tuesday authorized a COVID-19 booster shot for healthy 5- to 11-year-olds, hoping an extra vaccine dose will enhance their protection as infections once again creep upward.

President Joe Biden appealed to world leaders at a COVID-19 summit Thursday to reenergize a lagging international commitment to attacking the virus as he led the U.S. in marking the “tragic milestone” of 1 million deaths in America.

Testing for COVID-19 has plummeted across the globe, making it much tougher for scientists to track the course of the pandemic and spot new, worrisome viral mutants as they emerge and spread.

Doug Lambrecht was among the first of the nearly 1 million Americans to die from COVID-19.

With COVID-19 cases declining in the Kingman area, Kingman Regional Medical Center has closed its COVID Services Clinic.

Mohave County has experienced 10 more COVID-19 deaths and 101 new confirmed cases, the Mohave County Department of Public Health reported on Wednesday, April 13.

An Arizona provider of COVID-19 vaccinations and testing says a lack of federal funding has forced it to drop dozens of testing sites and free tests to uninsured people.

One by one, a voice called out the names of 169 people just released by U.S. Border Patrol.

With coronavirus cases rising in parts of Europe and Asia, scientists worry that an extra-contagious version of the omicron variant may soon push cases up in the United States too.

The number of new COVID-19 cases and deaths continues to decline in Mohave County.

Pfizer’s COVID-19 vaccine gave children 5 and older strong protection against hospitalization and death even during the omicron surge that hit youngsters especially hard, U.S. health officials reported Tuesday.

The number of new COVID-19 cases in Mohave County is falling fast.

Arizona health officials will soon go from releasing new state COVID-19 statistics every day to every week.

The Arizona Department of Health Services reported on Thursday, Feb. 17 that 15 more Mohave County residents have died from complications of COVID-19.

Mohave County Public Health Director Denise Burley updated the Mohave County Board of Supervisors on the COVID-19 situation in the county last week.

The Kingman medical service area continues to suffer from the coronavirus pandemic, but the number of new cases continue to decline in Mohave County after records were set with the arrival of the omicron variant.

Effective immediately, Kingman Regional Medical Center will restrict the use of monoclonal antibody therapy for COVID-19, reserving its limited supply of drugs for patients with a high risk of severe disease progression.

COVID-19 continues to take a toll on the elderly in Mohave County, with 11 deaths reported in the age groups over age 60 by the Mohave County Department of Public Health on Thursday, Jan. 27.

A woman who spent seven months in a Phoenix hospital being treated for COVID-19 is urging people to get vaccinated.

Mohave County suffered just 271 additional COVID-19 cases and three deaths from complications of the virus in the most-recent report issued by the Mohave County Department of Public Health on Monday, Jan. 24.

Mohave County set a new monthly record for new COVID-19 cases, with 7,509 cases recorded through Tuesday, Jan. 18.

In a span of just five days, 1,527 Kingman residents contracted COVID-19 and nine died from complications of the disease.

The highly contagious omicron variant of COVID-19 may be taking hold in Mohave County.

The highly contagious omicron variant has been detected in Mohave County, and it appears that it’s spreading fast.

After a record-breaking day last week of COVID-19 tests, officials at Sonora Quest Laboratories said Tuesday that Arizona's largest diagnostic testing lab will expand its operation and be able to take on thousands more samples.

The Mohave County Department of Public Health has revealed that 745 more Mohave County residents have been infected with COVID-19, and 16 more have died from complications of the virus.

Higher than normal student absentee rates were reported Wednesday in metro Phoenix, where many school districts resumed classes even as COVID-19 cases and hospitalizations surged across Arizona.

The Navajo Nation reported 10 new confirmed COVID-19 cases and no deaths Monday, but tribal health officials say the first case of the omicron variant has been detected on the vast reservation.

(The Miner staff selected their top 10 local stories of 2021. Numbers 8-10 appeared Wednesday, numbers 5-7 ran Friday, and numbers 1-4 are published today.)

More than a year after the vaccine was rolled out, new cases of COVID-19 in the U.S. have soared to their highest level on record at over 265,000 per day on average, a surge driven largely by the highly contagious omicron variant.

The pandemic continues to strain hospitals statewide so Arizonans should avoid large New Year's gatherings even if masked and fully vaccinated, a top official of the state's largest health care system said Tuesday.

COVID-19 claimed the lives of 39 Mohave County residents in the seven-day period ending at noon on Monday, Dec. 27.

Preliminary data suggest that people with the omicron variant of the coronavirus are between 50% and 70% less likely to need hospitalization than those with the delta strain, Britain’s public health agency said Thursday.

The federal government is sending medical personnel to Arizona to help with the ongoing COVID-19 surge.

Another 265 Mohave County residents have been infected with COVID-19, and another Kingman-area resident has died of the disease.

A member of the Pima County Board of Supervisors wants to help curb the spread of the coronavirus by imposing a countywide mandate for people to wear mask while inside indoor public places and cannot easily social distance.

Another 17 Mohave County residents have died from complications of COVID-19 and 164 more have contracted the coronavirus, according to the Arizona Department of Health Services.

Arizona is committing millions of dollars and asking the federal government for extra help as hospitals face a growing strain from rising COVID-19 caseloads and warn they are nearing their limits.

Phoenix-based Banner Health is at its most overwhelmed since the pandemic began, leading the company's officials to issue a warning Tuesday that its hospital system may have to eventually choose who can receive care.

Carolyn Burnett is bracing for her first Christmas without her son Chris, a beloved high school football coach whose outdoor memorial service drew a crowd of hundreds.

COVID-19 has taken another deadly turn in Mohave County.

New cases of COVID-19, and deaths from complications from the virus, are rising again in Mohave County.

Crowding of Arizona's strained health care system continues to worsen during the latest surge, with availability of hospital beds sinking to the lowest level since the pandemic began, state officials reported Thursday.

The way Kelly Townsend sees it, if a doctor is willing to write you a prescription for ivermectin or any other drug, a pharmacist has no right to refuse to fill it – even if it's for a condition for which the manufacturer had not obtained federal approval for the drug.

Despite the availability of life-saving vaccines and treatments, six more Kingman-area residents have perished from complications of COVID-19.

Arizona reported 6,043 additional confirmed COVID-19 cases and 174 virus deaths Saturday as the pandemic's latest surge maintained its grip on the state.

South African scientists are warning that reinfections among people who’ve already battled COVID-19 appear to be more likely with the new omicron variant than with earlier coronavirus mutants.

While all eyes are on the new and little-understood omicron variant, the delta form of the coronavirus isn't finished wreaking havoc in the U.S., sending record numbers of patients to the hospital in the Midwest and New England.

Nearly half of the 242 new COVID-19 cases reported in Mohave County were logged in the Kingman medical service area, and nearly half of those Kingman cases involved older residents.

Arizona health officials are reporting 1,961 new COVID-19 cases and one new death.

Nearly two years into the COVID-19 pandemic, the world raced Friday to contain a new coronavirus variant potentially more dangerous than the one that has fueled relentless waves of infection on nearly every continent.

Hospital executives and public health authorities across Arizona pleaded Tuesday for people to get vaccinated and do everything possible to avoid spreading the coronavirus as they gird for another surge in cases that threatens once again to overwhelm the state’s health care system.

The Kingman area continues to suffer the worst of the county’s COVID-19 surge, with another 71 residents infected and another death attributed to complications from the coronavirus.

The Mohave County Department of Public Health reported another 144 new cases of COVID-19 and six deaths from the virus on Wednesday, Nov. 17.

With COVID-19 cases and hospitalizations on the rise again and the holiday season approaching, the head of one of Phoenix's biggest hospital systems renewed pleas Wednesday for the unvaccinated to get inoculated.