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COVID-19 affects people differently, in terms of infection with the virus SARS-CoV-2 and mortality rates. In this Special Feature, we focus on some of the sex differences that characterize this pandemic. Share on Pinterest The data that are available so far indicate that there are significant differences between how the sexes respond to the new coronavirus.

All data and statistics are based on publicly available data at the time of publication. Some information may be out of date. Visit our coronavirus hub for the most recent information on the COVID-19 pandemic.Was this helpful?

There are many ways in which the pandemic itself affects peoples day-to-day lives, and gender understood as the ensemble of social expectations, norms, and roles we associate with being a man, woman, trans- or nonbinary person plays a massive part.

On a societal level, COVID-19 has affected cis- and transwomen, for example, differently to how it has cismen, transmen, and nonbinary people. Reproductive rights, decision making around the pandemic, and domestic violence are just some key areas where the pandemic has negatively impacted women.

However, sex differences understood as the biological characteristics we associate with the sex that one is assigned at birth also play an undeniable role in an epidemic or pandemic.

While sex and gender are, arguably, inextricably linked in healthcare, as in every other area of our lives, in this Special Feature, we will focus primarily on the infection rates of SARS-CoV-2 and the mortality rates that COVID-19 causes, broken down by sex.

In specialized literature, these effects fall under the umbrella term of primary effects of the pandemic, while the secondary impact of the pandemic has deeper social and political implications.

Throughout this feature, we use the binary terms man and woman to accurately reflect the studies and the data they use. Sex-disaggregated data lacking

Before delving deeper into the subject of sex differences in COVID-19, it is worth noting that the picture is bound to be incomplete, as not all countries have released their sex-disaggregated data.

A report appearing on the blog of the journal BMJ Global Health on March 24, 2020, reviewed data from 20 countries that had the highest number of confirmed cases of COVID-19 at the time.

Of these 20 countries, Belgium, Malaysia, Netherlands, Portugal, Spain, United Kingdom, and the United States of America did not provide data that was disaggregated, or broken down, by sex.

At the time, the authors of the BMJ report appealed to these countries and others to provide sex specific data.

Anna Purdie, from the University College London, United Kingdom, and her colleagues, noted: We applaud the decision by the Italian government to publish data that are fully sex- and age-disaggregated. Other countries [] are still not publishing national data in this way. We understand but regret this oversight.
At a minimum, we urgently call on countries to publicly report the numbers of diagnosed infections and deaths by sex. Ideally, countries would also disaggregate their data on testing by sex.

Anna Purdie et al.

Since then, countries that include Belgium, the Netherlands, Portugal, and Spain have made their data available.

The U.K. have made only a part of the sex-disaggregated data available for England and Wales, without covering Scotland and Northern Ireland while Malaysia and the U.S. have not made their sex-disaggregated data available at all.

At the time of writing this article, the U.S. still have not released their sex-disaggregated data despite the country having the highest number of COVID-19 cases in the world.

For more research-backed information and resources for mens health, please visit our dedicated hub.Was this helpful? Men more than twice as likely to die

Global Health 5050, an organization that promotes gender equality in healthcare, has rounded up the total and partial data that is available from the countries with the highest numbers of confirmed COVID-19 cases.

According to their data gathering, the highest ratio of male to female deaths, as a result of COVID-19, is in Denmark and Greece: 2.1 to 1.

In these countries, men are more than twice as likely to die from COVID-19 as women. In Denmark, 5.7% of the total number of cases confirmed among men have resulted in death, whereas 2.7% of women with confirmed COVID-19 have died.

In the Republic of Ireland, the male to female mortality ratio is 2 to 1, while Italy and Switzerland have a 1.9 to 1 ratio each.

The greatest parity between the genders from countries that have submitted a full set of data are Iran, with 1.1 to 1, and Norway, with 1.2 to 1.

In Iran, 5.4% of the women patients have died, compared with 5.9% of the men. In Norway, these numbers stand at 1.3% and 1.1%, respectively.

China has a ratio of 1.7, with 2.8% of women having died, compared with 4.7% of men.
Infection rates in womenand men

A side-by-side comparison of infection rates between the sexes does not explain the higher death rates in men, nor is there enough data available to draw a conclusion about infection rates broken down by sexes.

However, it is worth noting that in Denmark, where men are more than twice as likely to die of COVID-19 as women, the proportion of women who contracted the virus was 54%, while that of men was 46%.

By contrast, in Iran, where the ratio of deaths between men and women is less different (1.1 to 1), just 43% of cases are female compared with 57% cases in men.

Until we know the proportion of people from each sex that healthcare professionals are testing, it will be difficult to fully interpret these figures.

What we do know so far is that, overall, nine of the 18 countries that have provided complete sex-disaggregated data have more COVID-19 cases among women than they do among men. Six of the 18 countries have more cases among men than they do among women.

Norway, Sweden, and Germany have a 5050% case ratio.

Other countries where more women have developed COVID-19 include:
Switzerland (53% of women to 47% of men)Spain (51% to 49%)The Netherlands (53% to 47%)Belgium (55% to 45%)South Korea (60% to 40%)Portugal (57% to 43%)Canada (52% to 48%)Republic of Ireland (52% to 45%)

Greece, Italy, Peru, China, and Australia all have a higher number of confirmed cases among men than women.Why are men more likely to die?

Part of the explanation for why the new coronavirus seems to cause more severe illness in men is down to biological sex differences.

Womens innate immune response plays a role. Experts agree that there are sex differences, such as sex chromosomes and sex hormones, that influence how a persons immunity responds to a pathogen.

As a result, women are in general able to mount a more vigorous immune response to infections [and] vaccinations. With previous coronaviruses, specifically, some studies in mice have suggested that the hormone estrogen may have a protective role.

For instance, in the study above, the authors note that in male mice there was an exuberant but ineffective cytokine response. Cytokines are responsible for tissue damage within the lungs and leakage from pulmonary blood vessels.

Estrogens suppress the escalation phase of the immune response that leads to increased cytokine release. The authors showed that female mice treated with an estrogen receptor antagonist died at close to the same rate as the male mice.

As some researchers have noted, lifestyle factors, such as smoking and alcohol consumption, which tend to occur more among men, may also explain the overall higher mortality rates among men.

Science has long linked such behaviors with conditions that we now know are likely to negatively influence the outcome of patients with COVID-19 cardiovascular disease, hypertension, and chronic lung conditions. Why women might be more at risk

On the other hand, the fact that societies have traditionally placed women in the role of caregivers a role which they continue to fulfill predominantly and the fact that the vast majority of healthcare workers are women cold place them at a higher risk of contracting the virus and might explain the higher infection rates in some countries.

An analysis of 104 countries by the World Health Organization (WHO) found that Women represent around 70% of the health workforce. In China, women make up more than 90% of healthcare workers in Hubei province.

These data emphasize the gendered nature of the health workforce and the risk that predominantly female health workers incur, write the authors of a report on the gendered impacts of the pandemic that appears in The Lancet.

Although we cannot yet draw definitive conclusions because sex-disaggregated data is not yet available from all the countries affected, The Lancet report looks at previous epidemics for clues.

During the 201416 west African outbreak of Ebola virus disease, the authors write, gendered norms meant that women were more likely to be infected by the virus, given their predominant roles as caregivers within families and as frontline healthcare workers.

The authors also call out for governments and health institutions to offer and analyze data on sex and gender differences in the pandemic.
Why sex-disaggregated data are urgent

The report in The Lancet reads, Recognising the extent to which disease outbreaks affect women and men differently is a fundamental step to understanding the primary and secondary effects of a health emergency on different individuals and communities, and for creating effective, equitable policies and interventions.

For instance, identifying the key difference that makes women more resilient to the infection could help create drugs that also strengthen mens immune response to the virus.

Devising policies and intervention strategies that consider the needs of women who work as frontline healthcare workers could help prevent the higher infection rates that we see among women.

Finally, men and women tend to react differently to potential vaccines and treatments, so having access to sex-disaggregated data is crucial for conducting safe clinical trials.

As Anna Purdie who also works for Global Health 5050 and her colleagues summarize in their article, Sex-disaggregated data are essential for understanding the distributions of risk, infection, and disease in the population, and the extent to which sex and gender affect clinical outcomes.
Understanding sex and gender in relation to global health should not be seen as an optional add-on but as a core component of ensuring effective and equitable national and global health systems that work for everyone. National governments and global health organizations must urgently face up to this reality.

Anna Purdie et al

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Former White Sox pitcher, world champ Jenks dies

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Former White Sox pitcher, world champ Jenks dies

Bobby Jenks, a two-time All-Star pitcher for the Chicago White Sox who was on the roster when the franchise won the 2005 World Series, died Friday in Sintra, Portugal, the team announced.

Jenks, 44, who had been diagnosed with adenocarcinoma, a form of stomach cancer, this year, spent six seasons with the White Sox from 2005 to 2010 and also played for the Boston Red Sox in 2011. The reliever finished his major league career with a 16-20 record, 3.53 ERA and 173 saves.

“We have lost an iconic member of the White Sox family today,” White Sox chairman Jerry Reinsdorf said in a statement. “None of us will ever forget that ninth inning of Game 4 in Houston, all that Bobby did for the 2005 World Series champions and for the entire Sox organization during his time in Chicago. He and his family knew cancer would be his toughest battle, and he will be missed as a husband, father, friend and teammate. He will forever hold a special place in all our hearts.”

After Jenks moved to Portugal last year, he was diagnosed with a deep vein thrombosis in his right calf. That eventually spread into blood clots in his lungs, prompting further testing. He was later diagnosed with adenocarcinoma and began undergoing radiation.

In February, as Jenks was being treated for the illness, the White Sox posted “We stand with you, Bobby” on Instagram, adding in the post that the club was “thinking of Bobby as he is being treated.”

In 2005, as the White Sox ended an 88-year drought en route to the World Series title, Jenks appeared in six postseason games. Chicago went 11-1 in the playoffs, and he earned saves in series-clinching wins in Game 3 of the ALDS at Boston, and Game 4 of the World Series against the Houston Astros.

In 2006, Jenks saved 41 games, and the following year, he posted 40 saves. He also retired 41 consecutive batters in 2007, matching a record for a reliever.

“You play for the love of the game, the joy of it,” Jenks said in his last interview with SoxTV last year. “It’s what I love to do. I [was] playing to be a world champion, and that’s what I wanted to do from the time I picked up a baseball.”

A native of Mission Hills, California, Jenks appeared in 19 games for the Red Sox and was originally drafted by the then-Anaheim Angels in the fifth round of the 2000 draft.

Jenks is survived by his wife, Eleni Tzitzivacos, their two children, Zeno and Kate, and his four children from a prior marriage, Cuma, Nolan, Rylan and Jackson.

The Associated Press contributed to this report.

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In search of infield options, Yanks add Candelario

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In search of infield options, Yanks add Candelario

NEW YORK — The New York Yankees, digging for options to bolster their infield, have signed third baseman Jeimer Candelario to a minor league contract and assigned him to Triple-A Scranton/Wilkes-Barre, the affiliate announced Saturday.

Candelario, 31, was released by the Cincinnati Reds on June 23, halfway through a three-year, $45 million contract he signed before the start of last season. The decision was made after Candelario posted a .707 OPS in 2024 and batted .113 with a .410 OPS in 22 games for the Reds before going on the injured list in April with a back injury.

The performance was poor enough for Cincinnati to cut him in a move that Reds president of baseball operations Nick Krall described as a sunk cost.

For the Yankees, signing Candelario is a low-cost flier on a player who recorded an .807 OPS just two seasons ago as they seek to find a third baseman to move Jazz Chisholm Jr. to second base, his natural position.

Candelario is the second veteran infielder the Yankees have signed to a minor league contract in the past three days; they agreed to terms with Nicky Lopez on Thursday.

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Dodgers’ Snell pitches to hitters, ‘looked good’

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Dodgers' Snell pitches to hitters, 'looked good'

LOS ANGELES — Pitchers Blake Snell and Blake Treinen are progressing toward a return for the Los Angeles Dodgers.

Snell and Treinen each faced hitters Saturday, and Snell pitched two innings. Each could begin a rehab assignment after the All-Star break.

The 32-year-old Snell has pitched in two games for the Dodgers following his five-year, $182 million free agent deal after spending last season with the San Francisco Giants and three before that with the San Diego Padres. He is a two-time Cy Young Award winner.

“(Snell) looked good. He looked really good,” manager Dave Roberts said. “I don’t know what the velo was but the ball was coming out really well. He used his entire pitch mix. I thought the delivery was clean, sharp, so really positive day.”

The Dodgers’ starting rotation has been injury-prone this season but is starting to get a boost from Shohei Ohtani, the two-way superstar who is working as an opener in his return from elbow surgery.

Treinen is looking to get back to his role in the back end of the bullpen. He threw one inning Saturday.

“Blake Treinen I thought was really good as well,” Roberts said. “Both those guys should be ready at some point in time shortly after the All-Star break.”

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