Worried about getting sick at a holiday party?

While flu rates are relatively stable, they are higher than they have been for the past few years.

by The Conversation and Victoria Easton
Originally Published: 
Lucille Carter blows a party whistle as Helen Green blows a balloon watched by Elizabeth Green, just...
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With Christmas just a month away, the good news is that Covid-19 cases in the United Kingdom have been falling and are now at the lowest we’ve seen for some time.

Meanwhile, the number of new flu infections remains stable. And people in their 20s and 30s have some of the lowest case numbers of both viruses — great if you’re planning your work holiday party or just fancy getting together with your friends this festive season.

However, while flu rates are relatively stable, they are higher than they have been for the past few years, and data from Australia suggest the U.K. could face an earlier and more severe flu season this year. Last year, Covid-19 cases increased by 139 percent in the two weeks leading up to the holidays.

Add in the fact that it looks unlikely that your past Covid-19 infections or vaccinations will offer much protection against new omicron variants, and the holiday sparkle is slightly dimmed.

But if you want to celebrate after two years of curtailed festivities, don’t despair. There are a few things you can do to minimize the risk of Covid-19 or flu ruining your holiday party.

4. Location, location, location

Thinking carefully about the location of your holiday celebration can help prevent the spread of influenza and Covid-19 viruses. Both flu and Covid-19 are spread by small liquid droplets when we breathe, speak, cough and sneeze.

Somewhere outdoors, like an open-air ice rink or rooftop bar, is a perfect choice. A preprint (a study not yet peer-reviewed) based on contact tracing data found that the odds of transmitting Covid-19 in a closed environment were 18.7 times greater compared with an open-air environment.

Large infection events or “superspreader” events happen most often in venues that are more densely occupied and where people spend a longer time. On a smaller scale, Covid-19 infections have developed in distinct clusters in crowded indoor spaces. So it might be worth rethinking if you were going to hold your holiday party in a “cozy” basement bar and instead brave the winter chill outside.

3. The guest list

Consider taking the holiday party outdoors this year if you are worried about spreading germs.

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Limiting the number of people who could meet was, of course, used to limit the spread of Covid-19 earlier in the pandemic. Even though these rules are no longer in place, it’s worth thinking twice about inviting the whole company to a single event. Instead, you might be able to hold a series of smaller events, for example, by splitting into different departments.

On average, each person who contracts Covid-19 will pass it on to between two and three others. But that neat country or global level estimate, known as the reproduction number (R0), hides huge variation at the individual level. In reality, most Covid-19 infections stem from just a handful of people. Infection analysis estimates that around 15 percent of cases cause 80 percent of secondary infections.

The reproduction number of seasonal flu varies, but on average, one person with the flu will pass it on to one or two others. Flu is generally more uniform in its spread, meaning the R0 number is more representative. A highly infectious person with Covid-19 is estimated to expel hundreds to thousands of infectious virus particles per minute while talking, singing, or coughing. People with flu expel the virus at lower rates.

2. Get vaccinated

A recent preprint suggests two of the newer Covid-19 variants, BQ.1 and XBB, have mutations that make them very good at evading the immune system. This means that protection gained from previous vaccines and natural infections might not be as effective as against earlier virus variants. Precisely how these variants will respond to our existing immunity is unknown, though, and the NHS has offered 26 million people in more vulnerable groups across England an autumn booster this year.

Also, consider a flu vaccine, which can reduce the severity of illness or even stop you from becoming ill. Flu vaccines are readily available in the U.K. at GPs and pharmacies and cost between £12 and £15 if you’re not eligible for a free one. Many workplaces will reimburse you for this cost.

1. Avoid karaoke

Karaoke lovers, this isn’t great news.

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What’s planned for the office holiday party? A simple meal and a few drinks? Or is something a bit more interesting on the agenda? It seems that holiday parties with activities (like escape rooms) and themes (such as casinos) are on the rise.

When it comes to having a Covid-19-safe Christmas party, I’m afraid karaoke is on the naughty list. One study found that we produce higher rates of aerosols (tiny particles which can contain infectious viruses) during singing compared with breathing and speaking. And anecdotally, singing has been linked to a few superspreader events. So maybe pick something else this year.

This article was originally published on The Conversation by Victoria Easton at the University of Leeds. Read the original article here.

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