FILE - This illustration provided by AstraZeneca depicts packaging for its medication Beyfortus. (AstraZeneca via AP, File)

An infection with RSV is a cold-like nuisance for most healthy people, but it can be life-threatening for the very young and the elderly. There are no vaccines for babies, so the new drug is expected to fill a critical need.

A person is silhouetted against the sky at sunset at Papago Park in Phoenix on Thursday, March 2, 2023. (AP Photo / Charlie Riedel)

Experts cited several possible reasons for the increases, including higher rates of depression, limited availability of mental health services and the number of guns in U.S. homes.

(Kevin C. Cox / Getty Images North America / Getty Images)
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The U.S. public health emergency ends May 11. For the first time in three years, the CDC will stop posting a national count of COVID-19 cases, among other changes.

Despite the decline, about 1 out of every 13 deaths in the U.S. in 2022 was associated COVID-19. The virus killed nearly 245,000 people in 2022, CDC data shows.

Drug overdose deaths in the U.S. rose to record levels during the COVID-19 pandemic, and a new report from the CDC details the deadly rise of fentanyl. (Agnes Bun / AFP / Getty Images)

Nearly 70,000 people in the U.S. died of drug overdoses that involved fentanyl in 2021, almost a four-fold increase over five years. By 2021, about two-thirds of all overdose deaths involved the potent synthetic opioid, according to the report.

This undated photo made available by the Centers for Disease Control and Prevention shows a strain of Candida auris cultured in a petri dish at a CDC laboratory. (Shawn Lockhart / Centers for Disease Control and Prevention via AP, File)

The fungus, Candida auris, is a form of yeast that is usually not harmful to healthy people but can be a deadly risk to fragile hospital and nursing home patients.

A flu vaccine is readied at the L.A. Care and Blue Shield of California Promise Health Plans’ Community Resource Center where they were offering members and the public free flu and COVID-19 vaccines Friday, Oct. 28, 2022, in Lynwood, Calif. (AP Photo / Mark J. Terrill, File)

The vaccines were more than 40% effective in preventing adults from getting sick enough from the flu that they had to go to a doctor’s office, clinic or hospital, health officials said during a Centers for Disease Control and Prevention vaccines meeting Wednesday. 

(Patty Wetli / WTTW News)

During the past seven days, an average of 31 people have been hospitalized each day in Chicago from COVID-19, down more than 40% during the past week, according to city data last updated Wednesday.

Socially distanced kindergarten students wait for their parents to pick them up on the first day of in-person learning at Maurice Sendak Elementary School on April 13, 2021, in Los Angeles. Vaccination rates for U.S. kindergarteners in 2022 saw a significant drop for the second year in a row, according to new data released Thursday, Jan. 12, 2023, and worried federal officials are launching a new campaign to try to help bring them back up. (AP Photo / Jae C. Hong, File)

The pandemic disrupted vaccinations and other routine health care for children, and also taxed the ability of school administrators and nurses to track which children weren’t up-to-date on shots.

A Venezuelan migrant warms her hands over a campfire outside her makeshift tent refusing to be relocated to a refugee shelter, in Matamoros, Mexico, Friday, Dec. 23, 2022. (AP Photo / Fernando Llano)

Title 42 has been used more than 2.5 million times to expel migrants since March 2020, although that number includes people who repeatedly attempted to cross the border. The case will be argued in February, and the stay will be maintained until the Supreme Court decides.

Passengers wearing masks walk through the Capital airport terminal in Beijing on Dec. 13, 2022. (AP Photo / Ng Han Guan, File)

The increase in cases across China follows the rollback of the nation’s strict anti-virus controls. China’s “zero COVID” policies had kept the country’s infection rate low but fueled public frustration and crushed economic growth.

(Patty Wetli / WTTW News)

Mayor Lori Lightfoot on Thursday said the city is expected to move from a “medium” risk level for contracting COVID-19 back to a “high” risk level, likely sometime in the next week. When that happens, the city will reinstate an advisory, urging Chicagoans to mask up.

Strep A illustration. (CDC)

“It’s too soon to say whether iGAS case numbers are just returning to pre-pandemic levels or if they are rising beyond what we would normally expect based on what we know about GAS seasonal patterns,” CDC spokesperson Kate Grusich wrote In an email.

(INeverCry / Wikimedia Commons)

Rates of deaths from drug overdoses among older adults have more than tripled in the past two decades, according to one report published Wednesday by the CDC’s National Center for Health Statistics. In 2020, more than 5,000 adults 65 and older in the United States died of a drug overdose.

A registered nurse and immunization outreach coordinator with the Knox County Health Department, administers a vaccination to a kid at the facility in Mount Vernon, Ohio, Friday May 17, 2019. (AP Photo / Paul Vernon, File)

In a report issued Wednesday, the WHO and the CDC said millions of children were now susceptible to measles, among the world’s most contagious diseases. In 2021, officials said there were about 9 million measles infections and 128,000 deaths worldwide.

(Patty Wetli / WTTW News)

Chicago hospitals and health care providers are also coping with sharp increases in flu cases and illness caused by RSV, a respiratory virus, officials said.