The COVID-19 pandemic has taken center stage in 2020, but medical experts want to remind Americans to get their yearly flu shots this winter season.

There is a palpable sense of hope as Pfizer begins to distribute its COVID-19 vaccine, with Moderna awaiting its own vaccine authorization this week. Throughout the winter and into the spring, millions of doses of both vaccines will be distributed across the country.

And if you haven’t already, the Centers for Disease Control and Prevention say there’s still time to get your flu shot this winter. Experts say that getting both a COVID-19 vaccine and the flu vaccine shouldn’t be a problem, but it might be a good idea to space those vaccinations out a few days to a few weeks apart.

“It makes sense to get the flu shot as we normally would recommend every year and it is no different this year,” Dr. Todd Ellerin, head of the Infectious Disease at South Shore Health in Massachusetts, said in an interview with ABC News. “In fact, we want to double down this year because we want to prevent the combination of the flu and COVID-19.”

The CDC is urging “healthcare personnel [to] use every opportunity during the influenza vaccination season to administer influenza vaccines to all eligible persons.” This is hardly surprising as the flu claimed the lives of 22,000 Americans last year.

Meanwhile, the U.S. is on track to get Americans vaccinated against COVID-19 by a tiered system that first prioritizes our nation’s front-line health care workers and residents of nursing homes, with a plan to eventually vaccinate any American who wants one by spring 2021.

It may be a good idea to “stagger [the injections] so if someone has reactions, you would know what the reaction is to,” said Dr. Krutika Kuppalli, vice chair of the Infectious Disease Society of America, in an interview with ABC News.

Pfizer’s clinical trials revealed that volunteers had only mild and brief symptoms in response to the vaccine. Over 5,000 volunteers had a medical history of allergies, and they too experienced only mild symptoms. The flu shot is an inactivated form of the virus with only mild side effects, including pain at the injection site.

Given the low side effect profiles, if you’re only able to take one day off of work, and you won’t be able to realistically stagger your flu shot and your COVID-19 shot, doctors say there is nothing inherently unsafe about getting both at the same time. This is because the side effects are well-understood.

“I’d probably recommend getting them on separate days, but if it meant that you might not come back and receive either one, then I would give them both at the same time,” said Ellerin. “I don’t see a contraindication to getting them at the same time.”

In fact, it is common practice to make vaccine visits an all-in-one shot, as clinicians try to save patients from extra trips to the office by grouping all the appropriate vaccines into one visit. If making two trips might not be ideal for you, ask your doctor for both shots at the same time. They will be administered in a monitored environment. Though highly unlikely, you will be treated appropriately if you were to have an adverse reaction.

If you have any questions about your eligibility for the COVID-19 or flu vaccine, your doctor should be able to help. But there are a few key considerations to keep in mind.

For example, if you’ve recently recovered from COVID-19, experts recommend waiting at least three months before getting your COVID-19 vaccine. And if you’ve recently recovered from COVID-19, or any other illness, wait at least 10 days after you are symptom-free to get your flu shot. Some people who are immunocompromised or who suffer from severe illness might have to wait longer.

“But after you are done with the contagious window, you should get the flu vaccine as quickly as possible,” said Ellerin. “Business as usual.”

Even if you’ve already had the flu, there are different types of flu viruses, and getting one does not necessarily protect you from the others. “Even if you have had the flu, you should still have the vaccine because it will cover the other strains,” recommended Wildes.

Studies show that while it’s rare to be infected with the COVID-19 virus and the flu virus at the same time — the unlucky few who do experience a double infection are more likely to become extremely sick.

“We know from early observational studies that patients who got both and were hospitalized, those patients had a particularly severe disease,” said Ellerin. Indeed, studies found that co-infection resulted in a higher risk of a more severe illness, longer hospital stays and, by some estimates, patients were twice as likely to die.

Rising COVID-19 cases are overwhelming health care system across the nation, and the stakes are high now with COVID-19 reaching nearly 17 million cases and over 300,000 deaths in the U.S.

Given the vast benefits and few risks, “it only makes sense to continue getting the flu vaccine,” said Ellerin.

With the U.S Food and Drug Administration authorizing the Pfizer/BioNTech COVID-19 vaccine and likely authorization of Moderna’s on the horizon, the first vaccines are being delivered to medical providers and long-term care facilities in states across the country and starting to be administered this week.

But most people won’t be able to get a shot right away. Many states are prioritizing groups such as health care and other essential workers, nursing home residents and people with certain medical conditions when it comes to distributing the COVID-19 vaccine.

Over the next few months, authorities say distribution of the vaccines will follow a phased schedule that gives priority to groups of certain individuals. Those priority groups were based on a framework devised by a committee convened by the National Academies of Sciences, Engineering and Medicine.

The priority groups outlined by the Framework for Equitable Allocation of the COVID-19 Vaccine report were based on the relative risk facing certain groups as well as the broader societal needs of protecting certain groups of people, such as frontline medical workers. The goal of the work was to provide advice to federal and state government who would be devising and implementing plans for distribution of vaccines.

While states are tasked with creating their own distribution plans, most of them are following the outline set out in the report.

You can answer the questions below to find out how many people in your area may be eligible to get the vaccine before you. You’ll also find a link to more information about your state’s plan. Population estimates are based on data from the Vaccine Allocation Planner tool developed by Ariadne Labs and the Surgo Foundation.

Please note that prioritization may vary by state, and this interactive calculator is meant to give an estimate only. You may fall into a different category based on special circumstances or different requirements in your state.

LOS ANGELES — California has hit another grim coronavirus milestone. Data from John Hopkins University on Monday showed the nation’s most populous state has recorded more than 30,000 deaths since the pandemic started nearly a year ago.

Deaths have exploded since a COVID-19 surge began in October. It took the California six months to record its first 10,000 deaths. But in barely a month, the total rose from 20,000 to 30,000.

Over the weekend, state officials reported a two-day record of 1,163 deaths. Hospitalizations also have exploded and many hospitals are stretched to the limit.

Health officials have warned the worst is yet to come later this month, when there’s full picture on infections from the holidays.

California ranks third nationally in coronavirus deaths, behind Texas and New York, which is in the No. 1 position with nearly 40,000.

The first COVID-19 case in California was confirmed Jan. 25. The death of a San Jose woman on Feb. 6 is the first known U.S. death from COVID-19.

Many of the state’s hospitals are out of regular intensive care beds for the sickest COVID-19 patients.

The hardest-hit areas are 15 counties in Southern California and the agricultural San Joaquin Valley. Those counties comprise a majority of the state’s population, including many lower-income residents who may live in crowded areas or work in jobs that place them in close contact with customers or other employees, increasing their risk of infection.

Hospitals in the counties have been ordered to delay non-essential elective surgeries, such as knee replacements, to make room.

The biggest fear is that after a surge of cases from Christmas and New Year’s gatherings hospitals will be tipped into rationing care — apportioning care on the basis of who has the best chance of survival.

Lawmakers and public health officials say that surge on top of a surge would involve people who were infected when they ignored social distancing rules to gather with friends and relatives during the holidays.

TIRANA, Albania — Albania’s prime minister on Monday was among the first to receive the COVID-19 vaccine, with a dose that the country has received from an undisclosed European Union member.

Edi Rama said he was “not authorized” to say which EU country had provided 975 doses. Albania’s main vaccination campaign is due to start next week.

Rama was inoculated after the head of the infectious diseases hospital where most people infected with the virus go first. Rama said he did it to show that it “not only is safe but that it is the weapon to kill this invisible enemy.”

Rama repeated complaints made by several countries in the Western Balkans that the European Union has left them behind in its vaccination program.

“The strategy and direction set from the EU to invest in the COVAX scheme has proved to be undefined in time,” Rama said, referring to an international initiative to ensure vaccines are available in lower-income countries.

“If we waited for COVAX we still would be waiting and no one knows how long that would last,” he added.

The government has contracted 500,000 doses of the Pfizer vaccine, of which the first 10,000 are due to arrive next week.

Health Minister Ogerta Manastirliu said personnel directly involved in the country’s four infectious diseases hospitals would be the first to get the vaccine, followed by the rest of the 23,000 health personnel and people over 75.

The vaccination of these groups is expected to be completed in a few months. The vaccine is not mandatory.

Albania has had 1,241 virus-related deaths and 63,595 confirmed cases as of Sunday, according to the Health Ministry.

Authorities have imposed many lockdown measures to contain a further spread of the pandemic, including a 10 p.m. to 6 a.m. curfew, mandatory mask wearing, restrictions on indoor gatherings and online classes for university students.

MADRID — The Spanish capital of Madrid was still trying to get back on its feet Monday after a 50-year record snowfall that paralyzed large parts of central Spain and was hampering the delivery of coronavirus vaccines.

The blizzard dumped over 50 centimeters (20 inches) of snow in some areas and a cold front was turning that fluffy snow into sheets of ice and crusted drifts. At least 700 roads were still not clear enough to drive without chains.

Temperatures were expected to drop to minus 11 degrees Celsius (12 degrees Fahrenheit) in a large swathe of the country later Monday, according to the national AEMET weather agency, prompting authorities to urge people to exercise caution.

“We have some very complicated days ahead until the cold snap subsides,” Interior Minister Fernando Grande-Marlaska said at a televised press conference. “It is necessary to postpone any movement that is avoidable, for safety and in order to not interrupt the works in the road network.”

A new batch of 350,000 doses of the Pfizer-BioNTech coronavirus vaccine that Spain was expecting arrived at half a dozen airports on Monday, but the doses destined for Madrid had to be diverted to the northern city of Vitoria.

The central government’s representative in Madrid, José Manuel Franco, told Onda Cero radio that the pharmaceutical company was working hard to ensure the arrival of the capital’s doses overground to a logistical center. Authorities said earlier that police escorts would help the vaccines get through the snow-clogged streets and highways.

In Madrid, civil protection and military battalions, aided by snowplows and bulldozers, managed to clear lanes for ambulances and emergency vehicles. Still, much of the city’s main services remained closed on Monday, including the main wholesale market, although some supermarkets and newsstands opened for the first time in three days.

Residents, some with crampons and hiking sticks, warily tried to make their way on icy snow before disappearing into subway stations.

The underground train system has become the only viable way to commute to work, leading to scenes of overcrowding in train cars where keeping social distance was impossible. Commuter trains in Madrid and the high-speed railway between Barcelona and Madrid will resume later Monday, the national railway company Renfe said.

The airport, which had been closed since Friday evening, saw a dozen flights take off or land on Monday and was expecting to ramp up to full operations.

Schools were closed Monday in the regions of Castilla La Mancha, Madrid, and many other areas.

Storm Filomena left four people dead and trapped over 1,500 people in their vehicles, some of them for up to 24 hours. It has since moved east.

LONDON — England’s chief medical officer warned Monday that the coming weeks would be the worst of the pandemic for the National Health Service as he appealed to the public to strictly follow guidelines meant to prevent the spread of the disease.

Chris Whitty said political leaders are considering tightening the rules as a new, more transmissible variant of COVID-19 aggravates an already difficult situation. Hospitals are overflowing and exhausted medical staff are under strain.

“I think everybody accepts that this is the most dangerous time we’ve really had in terms of numbers into the NHS,’’ Whitty told the BBC.

The warning comes as hospitals in England struggle to keep up with a surge in coronavirus infections that has seen the number of beds filled by COVID-19 patients rise steadily for more than a month. English hospitals are now treating 55% more COVID-19 cases than during the first peak of the pandemic in April.

“In a sense, tinkering with the rules may be useful, but the far more important thing is that everybody abides by the spirit of the rules that are there at the moment,’’ Whitty said. “Everybody knows what they need to do. And I think that’s the key thing — minimize the number of contacts.”

England last week entered a third national lockdown that closed all nonessential shops, schools, colleges and universities for at least six weeks. But police report many violations of rules that require people to stay home except for essential reasons such as exercise and grocery shopping.

The prime minister’s spokesman, Jamie Davies, said rules allowed people to be outdoors for “exercise, not socializing,” but there is confusion over where the line should be drawn — for example, whether walking with a takeaway coffee counts as exercise. When asked in a briefing if people were allowed to sit alone on a park bench: “Let me take that away and come back to you,” he said.

The government hopes the restrictions will reduce the strain on the NHS while it ramps up a nationwide mass vaccination program. Seven large-scale vaccination centers are set to open Monday, joining around 1,000 other sites across the country, including hospitals, general practitioners’ clinics and some drugstores.

At one center in Stevenage, north of London, medical personnel administering the shots described the mood as filled with relief and joy.

“They’ve been quite emotional actually, really pleased that there is some hope at the end of this tunnel, this very long tunnel for everybody,” said Caroline Shepherd, clinical expert for immunizations at Hertfordshire Community NHS Trust. “A few people quite teary, saying ‘I’m really pleased to be here, thank you so much, we’re really grateful for the NHS'”.

More than 2 million people in the UK have received a COVID-19 vaccine so far, Prime Minister Boris Johnson said during a visit to a center in Bristol. The government’s goal is to vaccinate 15 million people by mid-February, targeting people over 70, front line healthcare workers and others who are especially vulnerable to the virus. That will protect people who account for almost 90% of coronavirus-related deaths and may allow restrictions to be eased, the government says.

“We cannot be complacent,” Johnson said. “The worst thing now would be for us to allow the success in rolling out a vaccine program to breed any kind of complacency about the state of the pandemic.”

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Jill Lawless contributed to this report.

BEIJING — Experts from the World Health Organization are due to arrive in China this week for a long-anticipated investigation into the origins of the coronavirus pandemic, the government said Monday.

The experts will arrive on Thursday and meet with Chinese counterparts, the National Health Commission said in a one-sentence statement that gave no other details.

It wasn’t immediately clear whether the experts will travel to the central Chinese city of Wuhan, where the coronavirus was first detected in late 2019.

Negotiations for the visit have long been underway. WHO Director-General Tedros Adhanom Ghebreyesus expressed disappointment last week over delays, saying that members of the international scientific team departing from their home countries had already started on their trip as part of an arrangement between WHO and the Chinese government.

Foreign Ministry spokesperson Zhao Lijian said China had approved the visit following consultations between the sides and called it an opportunity to “exchange views with Chinese scientists and medical experts on scientific cooperation on the tracing of the origin of the new coronavirus.”

“Along with continuous changes in the epidemic situation, our knowledge of the virus deepens, and more early cases are discovered,” Zhao told reporters at a daily briefing, adding that the search for the origin will likely involve “multiple countries and localities.”

China’s government has strictly controlled all research at home into the origins of the virus, an Associated Press investigation found, while state-owned media have played up fringe theories that suggest the virus could have originated elsewhere.

The AP investigation found that China’s government is handing out hundreds of thousands of dollars in grants to scientists researching the virus’ origins in southern China. But it is monitoring their findings and mandating that the publication of any data or research be approved by a new task force managed by China’s Cabinet, under direct orders from President Xi Jinping, according to internal documents obtained by the AP.

The culture of secrecy is believed to have delayed warnings about the pandemic, blocked the sharing of information with WHO and hampered early testing. There was considerable frustration among WHO officials over not getting the information they needed to fight the spread of the deadly virus, AP has found.

Australia and other countries have called for an investigation into the origins of the virus, prompting angry responses from Beijing.

There was no immediate comment from WHO on Monday’s announcement, but U.N. spokesperson Stephane Dujarric had earlier told reporters at U.N. headquarters in New York that Secretary-General Antonio Guterres “is fully supportive of Dr. Tedros’ and WHO’s efforts to get a team in there.”

“It’s very important that as the WHO is in the lead in fighting the pandemic, that it also has a leading role in trying to look back at the roots of this pandemic so we can be better prepared for the next one,” Dujarric said. “We very much hope” that China’s reported comments that it is working with the WHO and looking for a smooth visit “will happen.”

The virus’ origins have been the source of intense speculation, much of it centered around the likelihood that it was carried by bats and passed to humans through an intermediary species sold as food or medicine in traditional Chinese markets.

China has largely stemmed new cases of domestic transmission, but said Monday that scores of people have tested positive for the coronavirus in Hebei province, bordering Beijing.

That outbreak comes amid measures to curb the further spread of the virus during next month’s Lunar New Year holiday. Authorities have called on citizens not to travel, ordered schools to close a week early and conducted testing on a massive scale.

China has recorded 87,536 total cases of the virus, including 4,634 deaths. Hospitals are currently treating 673 people for COVID-19, while 506 others are in isolation and under observation after testing positive without showing symptoms., officials said.

The Hebei outbreak has raised particular concern because of the province’s proximity to Beijing. Parts of the province are under lockdown and interprovincial travel has been largely cut off, with those entering Beijing to work having to show proof of employment and a clean bill of health.

Beijing has also seen a handful of new cases, prompting authorities to lock down some suburban communities and require residents to show negative test results to access grocery stores and other public spaces.