{"id":171,"date":"2018-01-03T10:55:10","date_gmt":"2018-01-03T10:55:10","guid":{"rendered":"https:\/\/www.initial.ie\/blog\/?p=171"},"modified":"2026-01-19T09:07:14","modified_gmt":"2026-01-19T09:07:14","slug":"avoid-cold-flu","status":"publish","type":"post","link":"https:\/\/www.initial.ie\/blog\/avoid-cold-flu\/","title":{"rendered":"How to avoid cold and flu"},"content":{"rendered":"\n<p>As the weather gets colder and wetter and the nights draw in, the number of people with coughs, sniffles and sneezes grows. People are absent from the office, friends cancel engagements and you seem to always get stuck in the supermarket checkout or on the train next to a sneezing, sniffling, virus spreader.<\/p>\n\n\n\n<p>So what exactly is winter flu, how do you catch it, can you avoid it and what should you do when you get it? To find answers to these questions read on.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is winter flu?<\/h2>\n\n\n\n<p>Winter flu is a viral infection caused by various strains of influenza viruses. It can be caught at any time of the year, but is more common during the northern winter (which is why it\u2019s called winter or seasonal flu).<\/p>\n\n\n\n<p>In the US the\u00a0CDC collects and analyses data on flu activity\u00a0and produces \u201csurveillance reports\u201d. From 1982 to 2016 the flu season peaked in any month from October to March but most often in February, as shown by the chart below.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"722\" height=\"308\" src=\"https:\/\/www.initial.ie\/blog\/wp-content\/uploads\/2018\/01\/flu-season-graph.png\" alt=\"*Chart of the peak months of flu activity from 1982\/3 to 2015\/16, recorded by the US CDC.\" class=\"wp-image-172\" srcset=\"https:\/\/www.initial.ie\/blog\/wp-content\/uploads\/2018\/01\/flu-season-graph.png 722w, https:\/\/www.initial.ie\/blog\/wp-content\/uploads\/2018\/01\/flu-season-graph-300x128.png 300w\" sizes=\"auto, (max-width: 722px) 100vw, 722px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>*Chart of the peak months of flu activity from 1982\/3 to 2015\/16, recorded by the US CDC.<\/em><\/p>\n\n\n\n<p>The flu viruses are RNA viruses (ie have no DNA) consisting of three genera, all of which infect humans:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Influenza virus A: Aside from infecting humans, it also infects other mammals and birds and has been the cause of all the recent human flu pandemics. It is subclassified into a number of subtypes based on variations in the proteins in its surface denoted by H (hemagglutinin) and N (neuraminidase). For example, subtype H1N1 caused the most\u00a0recent flu pandemic\u00a0in 2009. There are 18 types of H antigen and \u00a011 types of N antigen. The most\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Influenza_A_virus\">recently discovered subtype<\/a>, H18N11, was isolated from a bat in Peru in 2013.<\/li>\n\n\n\n<li>Influenza virus B: infects seals.<\/li>\n\n\n\n<li>Influenza virus C: infects pigs and dogs.<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/www.thesun.ie\/fabulous\/1935261\/what-is-aussie-flu-what-are-the-symptoms-and-how-is-the-killer-virus-different-from-normal-flu\/\">HSE warns that &#8216;Aussie flu&#8217; is in Ireland &#8211; and it&#8217;s on the rise<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Symptoms of the winter flu<\/h2>\n\n\n\n<p>The flu symptoms show one to three days after becoming infected and vary between people. People are infectious for up to seven days after becoming infected. The symptoms can include some or all of the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>sudden fever with a temperature of 38\u00b0C or above;<\/li>\n\n\n\n<li>headache;<\/li>\n\n\n\n<li>chills;<\/li>\n\n\n\n<li>aching muscles;<\/li>\n\n\n\n<li>cough;<\/li>\n\n\n\n<li>sore throat;<\/li>\n\n\n\n<li>severe tiredness and weakness;<\/li>\n\n\n\n<li>runny or blocked nose.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What isn\u2019t winter flu?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. The common cold<\/h3>\n\n\n\n<p>The common cold is caused by Rhinoviruses, which infect the nose, throat, sinuses and upper airways. There are over 90 recognised types of Rhinovirus. The infection is normally milder than flu, with the symptoms of a blocked nose, sneezing and cough, but when more severe, high temperature, headache and aching muscles are among the symptoms.<\/p>\n\n\n\n<p>There is no cure and no vaccine for a cold \u2014 it will cure itself in a few days for most people.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Stomach flu<\/h3>\n\n\n\n<p>Stomach flu, also called gastroenteritis, is a catch-all term for infections that affect the stomach and intestines, causing inflammation and other symptoms. They are sometimes mistaken for influenza and just like the common cold, some stomach flu infections also peak during the winter season.<\/p>\n\n\n\n<p>These infections can be caused by bacteria, viruses or parasites caught from contaminated food, water or contaminated surfaces \u2014 including other people\u2019s hands!<\/p>\n\n\n\n<p>Some causes of \u2018stomach flu\u2019 include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bacteria: E. coli, Campylobacter, Salmonella;<\/li>\n\n\n\n<li>Viruses: Norovirus, Adenovirus, Rotavirus, Herpes simplex, viral hepatitis;<\/li>\n\n\n\n<li>Parasites: giardia, Cryptosporidium;<\/li>\n<\/ul>\n\n\n\n<p>Symptoms can include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>abdominal cramps;<\/li>\n\n\n\n<li>stomach pain;<\/li>\n\n\n\n<li>nausea;<\/li>\n\n\n\n<li>vomiting;<\/li>\n\n\n\n<li>diarrhoea.<\/li>\n<\/ul>\n\n\n\n<p>The range of possible causes mean it is advisable to consult your doctor to get the most appropriate treatment, especially if symptoms are severe.<\/p>\n\n\n\n<p>Many viruses can cause flu-like symptoms and can occur during flu seasons, including the common cold, as mentioned above, and some that cause respiratory infections. None of them are prevented by a flu vaccination because is it so tuned to the three or four strains of influenza that are predicted to occur each year.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How do you catch the flu?<\/h2>\n\n\n\n<p>The main source of flu is other people! The flu virus is present in the mouth and nose of people who have the flu. When you cough or sneeze you launch the virus into the air in thousands of tiny droplets of saliva and mucus.<\/p>\n\n\n\n<p>So you can catch the flu from:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>breathing the air near people with the flu when they cough or sneeze;<\/li>\n\n\n\n<li>sneeze and cough droplets landing directly in your eyes, nose or mouth;<\/li>\n\n\n\n<li>touching the contaminated hands of people who have the flu, or other people who have touched their hands, then touching your nose or mouth, or food that you eat;<\/li>\n\n\n\n<li>touching surfaces that droplets from coughing and sneezing land on, then your nose or mouth;<\/li>\n\n\n\n<li>surfaces that people with contaminated hands have touched, for example: door handles, taps, kettles, handrails, cutlery, keyboards, phones, food, keypads on card payment terminals, supermarket trolleys and baskets, etc.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How far does a sneeze spread?<\/h2>\n\n\n\n<p>The droplets ejected at high speed from a cough or sneeze vary in size from a few thousandths of a millimetre to a couple of millimetres. The larger ones fall within a metre or so, but many are small enough to float through the air around you to be breathed in by other people.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Research done at\u00a0<a href=\"http:\/\/news.mit.edu\/2014\/coughs-and-sneezes-float-farther-you-think\" target=\"_blank\" rel=\"noopener\">MIT<\/a>\u00a0in a lab using high speed cameras and mathematical modelling found that particles travel 5\u2013200 times further than previously thought \u2014 the smallest particles act like a cloud and can travel tens of metres and even float up to the ceiling and into office air conditioning systems.<\/li>\n<\/ul>\n\n\n\n<p><iframe loading=\"lazy\" title=\"Germ Journey\" width=\"768\" height=\"432\" src=\"https:\/\/www.youtube.com\/embed\/Ggyn0zu4UvM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Prevent Flu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Get a flu vaccine<\/h3>\n\n\n\n<p>In the US, the\u00a0CDC recommends everyone over 6 months\u00a0to have a flu vaccine by the end of October. It has adopted this practice since 2010 when its Advisory Committee on Immunization Practices recommended universal flu vaccination. However, it does give a priority list of people who should have the vaccine.<\/p>\n\n\n\n<p>In Ireland, the HSE recommends that people at high risk of complications or those coming in contact with them have the vaccine between September and November, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>over 65s;<\/li>\n\n\n\n<li>pregnant women;<\/li>\n\n\n\n<li>people in care homes;<\/li>\n\n\n\n<li>carers;<\/li>\n\n\n\n<li>people with certain long-term medical conditions;<\/li>\n\n\n\n<li>health and social care workers;<\/li>\n\n\n\n<li>young children over 6 months have a nasal spray flu vaccine.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Vaccination for healthcare workers<\/h4>\n\n\n\n<p>WHO Europe has launched a campaign for 2016\u00a0to increase the number of healthcare workers who have a flu jab. Vaccination uptake among countries in Europe ranges from 2.5% to 99%, and more than half of countries report that less than one in three healthcare workers are vaccinated. In addition, not all countries even record this data, so it makes it difficult to get a full picture.<\/p>\n\n\n\n<p>Healthcare workers are in a particularly sensitive position as they can transmit the flu to vulnerable people such as infants, the elderly and people who are already ill in the hospital. A flu infection can be life-threatening for these people, especially those with compromised immune systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Handwashing and good hygiene<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.initial.ie\/hand-hygiene\/\">Washing your hands with soap<\/a> is one of the most effective ways of minimising the risk of spreading illnesses such as the flu. Here\u2019s what you can do to stop the\u00a0journey of the germ:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wash your hands often with <a href=\"https:\/\/www.initial.ie\/hand-hygiene\/soap-dispensers\/\">soap<\/a> and water, or if they are not available, an alcohol-based hand gel.<\/li>\n\n\n\n<li>Regularly clean and disinfect surfaces that may be contaminated with the flu virus.<\/li>\n\n\n\n<li>Avoid touching your eyes, nose and mouth.<\/li>\n\n\n\n<li>Cover your nose and mouth when you cough or sneeze, using a thick tissue or your arm \u2014 NOT your hands which will then contaminate everything you touch.<\/li>\n\n\n\n<li>Dispose of used tissues.<\/li>\n\n\n\n<li>Stay away from other people as much as possible while ill and for another 24 hours after the fever has gone.<\/li>\n\n\n\n<li>Don\u2019t share items such as towels, toys, cutlery, cups, plates and kitchen utensils.<\/li>\n<\/ul>\n\n\n\n<p>Poor hand hygiene is one of the biggest causes of the spread of illness in <a href=\"https:\/\/www.initial.ie\/offices\/\">offices<\/a> and <a href=\"https:\/\/www.initial.ie\/education\/\">schools<\/a>. A recent study that Initial has carried out with 5,000 participants in 5 countries show that one in four people don\u2019t wash their hands even after using the bathroom!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Antiviral medicine for flu<\/h3>\n\n\n\n<p>The\u00a0HSE recommends\u00a0that vulnerable people take antiviral medicines when there is a flu outbreak or when they have recently been in contact with someone with flu-like symptoms to prevent infection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Flu Treatment<\/h2>\n\n\n\n<p>Treatment means something &nbsp;that is given when someone has got the flu already \u2014 a vaccine would be futile at this point as the purpose of a vaccine is to build up immunity before catching it, making it of no use if you\u2019re already infected with &nbsp;the disease.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Basic care<\/h3>\n\n\n\n<p>Most people need no medical treatment and will recover within a week. The UK NHS recommends that otherwise healthy people:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>rest;<\/li>\n\n\n\n<li>keep warm;<\/li>\n\n\n\n<li>drink plenty of fluids to avoid dehydration;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Reduce the symptoms<\/h3>\n\n\n\n<p>If you feel unwell and have a fever you can take paracetamol or ibuprofen to lower temperature and relieve aches.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Antiviral medicine<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.nice.org.uk\/guidance\/ta168\" target=\"_blank\" rel=\"noopener\">Antiviral medicines have been recommended<\/a>&nbsp;for groups of people at risk of complications to reduce the length of illness and relieve some symptoms, but they do not cure the flu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Antibiotics<\/h3>\n\n\n\n<p>Antibiotics have no effect on the flu or other viral infections as they only work on bacteria!<\/p>\n\n\n\n<p>Taking antibiotics when not needed and for the wrong disease increases the risk of bacterial populations developing resistance &nbsp;\u2014&nbsp;<a href=\"http:\/\/www.hse.ie\/eng\/health\/az\/M\/Methicillin-resistant-staphylococcus-aureus\/\" target=\"_blank\" rel=\"noopener\">such as MRSA, which causes problems in hospitals around the world<\/a>. This reduces the antibiotics available for people whose lives depend on them.<\/p>\n\n\n\n<p>So don\u2019t take them when you have a cold unless a doctor prescribes them for bacterial infections that you have at the same time.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Keep your hands clean!<\/h2>\n\n\n\n<p>In case you didn\u2019t get the message earlier, one of the most important measures you can take to protect yourself from the flu is to keep your hands clean!<\/p>\n\n\n\n<p>You can spread the flu virus to others by not washing your hands and you can catch the flu virus from others by not washing your hands. Therefore, don\u2019t sneeze into your hands \u2014 &nbsp;the best way of sneezing is to turn your chin into your shoulder to prevent your hands from getting contaminated with the virus.<\/p>\n\n\n\n<p>So wash your hands with soap regularly!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As the weather gets colder and wetter and the nights draw in, the number of people with coughs, sniffles and sneezes grows. People are absent from the office, friends cancel engagements and you seem to always get stuck in the supermarket checkout or on the train next to a sneezing, sniffling, virus spreader. So what [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":173,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_s2mail":"yes","footnotes":""},"categories":[44],"tags":[36,37],"class_list":["post-171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hand-hygiene","tag-hand-hygiene","tag-hand-washing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Impact of Cold Weather Flu &amp; Prevention Tips | Initial Blog<\/title>\n<meta name=\"description\" content=\"What is winter flu? Discover its impact as weather gets colder. 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