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In March 2020, just a week after my arrival in the U.S. to start a postdoc position at my dream lab in Cambridge, Massachusetts, then-President Donald Trump temporarily banned noncitizens who had been physically present in the U.K. and the parts of the E.U. known as the Schengen area in the previous two weeks . I perceived this ban as an inconvenient yet cautious act aimed at containing a public health emergency. At the time, SARS-CoV-2 was not well understood or controlled in several European countries, including Spain and my home country of Italy.

Almost 17 months later, the presidential proclamation(s) remain in effect and even have been expanded. They now include the 26 Schengen countries, the U.K., the Republic of Ireland, South Africa, Brazil, India, China and Iran. If I were to travel to any of these countries from the U.S., I would be unable to return. I have not seen my family in a year and a half.

When Joe Biden was elected president, my hopes for a visit home skyrocketed. After all, his agenda included strong international cooperation, welcoming policies and science-based decision making. Surely, the days of travel bans on Europe and European scientists were numbered.

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In March 2020, Democratic presidential candidate Joe Biden reacted to the travel ban imposed by Donald Trump on European countries.

I was therefore disconcerted that one of Biden’s first executive actions was to reintroduce, on Jan. 27, the travel bans Trump had set to expire two days before.

“OK,” I thought, “nothing to worry about. January is still early. Cases are still rising, and vaccines are on their way but not quite there yet. Just hold on, and you will soon be able to see your family.”

Time passed. Vaccinations gained momentum both in the U.S. and in Europe, leading Biden to declare in April that . I could not contain my excitement. I finally would be able to travel home.

Come May, however, there was no news about lifting restrictions on international travels. June, no news. July, no news. No presidential declaration, no information on consulates’ or embassies’ websites. Nothing concrete in terms of policy changes.

Hope was turning into frustration.

Eventually, pressure started to build: , , , and eventually the government was forced to provide some answers.

According to an April 30 presidential proclamation, “The national emergency caused by the COVID-19 outbreak in the United States continues to pose a grave threat to our health and security. … It is the policy of my Administration to implement science-based public health measures, across all areas of the Federal Government, to prevent further spread of the disease.” 

. Thereafter, government officials repeated the phrases “science-based,” “data-driven” and “evidence-based decision making” as if they were a mantra. Biden recently his intention to keep travel restrictions in place.

Remarkably, this science-based approach only applies to certain categories of visa.

For example, M-1 and F-1 visa holders (largely students), green card holders and U.S. citizens are exempt from the restrictions. We still have much to learn about COVID-19; however, virologists would agree that susceptibility to infection does not change according to the visa type you hold.

To circumvent the restrictions, a traveler must obtain a so-called , or NIE, from a U.S. embassy or consular post after they are already abroad. The NIE is granted only to a few categories of . Consular posts can take up to 90 business days to reply to an applicant’s request, and approval is highly uncertain — the outcome depends on the consulate’s arbitrary discretion. 

Courtesy of Valerio Francioni

In this reply to an email inquiry from an NIE applicant, the U.S. embassy in Rome recommends traveling to a third country.

Some visa types are subject to further complicating restrictions; for example, under standard conditions, J-1 visa holders (mostly academics) are not allowed to leave U.S. soil for more than 30 consecutive days. The long time required to process NIE applications, combined with the fact that a request cannot be submitted until the applicant is outside the U.S., makes it impossible to apply without endangering one’s work and related immigrant status. The 90 days required to process NIE applications become even more grotesque if one considers that an average postdoc has between 15 and 20 days of vacation per year.

Aware of the absurdity of the situation, U.S. consulates and university international offices recently started to suggest NIE applicants take what is now known as “the third-country approach,” spending two weeks in a country not affected by the ban before reentering the U.S. These countries include Turkey, Mexico and Russia, places where the pandemic is still raging and vaccination programs lag behind those in Europe. 

Such an approach is not based on science.

Forcing European researchers to travel to a third country exposes us to heightened safety concerns and financial burdens. Ultimately, it likely increases the spread of COVID-19 by forcing people to move through infection hubs such as airports, hotels and restaurants in several countries with high infection rates. 

I would expect a science-based approach to protecting public health to allow travel from countries that have higher vaccination rates and lower infection rates while banning travel from countries where rates are worse. As of late July, however, . In banned countries such as the U.K., Italy, Spain and Germany, more than 60% of the population had received at least one dose of vaccine, compared to 46% in Turkey, 30% in Mexico and 23% in Russia (and 55% in the U.S.).

Our world in data

These maps show the percentage of the populations in European countries that are vaccinated with at least one dose (left) and the countries that are impacted by the U.S. travel ban (right).

When it comes to , the situation is no different. Mexico, the country with the fewest new daily cases among the three cited above, has twice the infection rate of Italy, six times the infection rate of Germany — and a 20% lower rate than the U.S. 

These numbers are hardly reconcilable with a data-driven approach to travel bans.

is also not a viable justification for the ban; according to the Centers for Disease Control and Prevention, Considering , unvaccinated Americans are likely to pose a greater threat to public health than vaccinated Europeans traveling internationally.

The situation is bad, and the end is not in sight.

Even if President Biden revoked all travel restrictions tomorrow, a shortage of and combined with the (but who otherwise legally would qualify for a visa) has created backlogs at U.S. consulates and embassies in banned countries that will take months to dissolve. This extends delays for people who need to receive or renew their visas. In June, the next available appointments for visa renewal at the U.S. embassy in Paris were almost a year away. .

My American colleagues now can take a selfie in front of the Basilica di Maria Maggiore in Rome, enjoy an aperitivo in Florence or marvel at the Sicilian coastline. Tourists from many countries can visit New York or Yellowstone National Park while I, and millions of other international visa holders, have been kept from visiting our families for almost a year and a half.

A lot happens in a year and a half. Among cases that made it to the news is that of the Bloomberg anchor Jonathan Ferro, . But this is just the tip of the iceberg. The Instagram page is gathering stories of people affected by the travel bans, and some of them are distressingly sad. Couples have been separated since March 2020. Grandparents are unable to meet their newborn grandchildren. Adult children can’t help their ailing parents.

I was absent when my father had a tumor removed and my grandfather faced a life-threatening COVID-19 infection. I missed my brothers’ birthdays when they turned 11 and 15, and then 12 and 16. I couldn’t attend my own Ph.D. graduation ceremony. Fortunately, none of my stories ended tragically, but not everyone has been so lucky. 

Such stories are not uncommon. Most international scholars have not been able to visit families or significant others for more than a year, with an indefinite wait ahead. This is affecting our mental health; many of us must choose between being present for the births, weddings and funerals of friends and family and the security of a job and immigration status in the country where we have established our lives.

was submitted recently to the editorial board of the journal Nature. We hope it will help our voices be heard.