"Not a major increase in absences but an increase for sure", Reilly said via email. It can lead to serious illnesses such as bronchitis, otitis media (particularly in children), pneumonia; and in some cases meningitis and encephalitis, and even death.
Thus far, there have been a total of six deaths and 262 hospitalizations associated with the flu since the start of the 2017-18 season.
There is no charge for employees and volunteers to get the shots, say MCMC officials.
The United States typically mirrors Australia's flu season.
The number of people sick with influenza in Montana is on the rise as health officials reported more than 200 new cases over the past two weeks.
Speaking on RTÉ's News At One, he said the vaccine has a very safe record.
Dr. John Cannell, founder of the Vitamin D Council, introduced the idea that a deficiency of the vitamin could be an underlaying cause of influenza.More news: AT&T will give bonuses to 200000 workers to celebrate tax cut
One flu virus circulating, influenza A (H3N2), has been more resistant to flu vaccinations, though Koening said many of those cases have been in Australia where the flu season is winding down, and not predictive of what will happen in the United States.
When exactly is flu season, anyway?
Still, some people feel bad after a flu shot. The vaccine protects the child and also helps protect others too by reducing the spread of flu.
Symptoms of influenza can include fever, cough, sore throat, body aches, headache, chills and fatigue. In addition, there are a number of pathogens going around in the winter months, including viruses that might not be included in the vaccine, according to the CDC.
Brzezny said people with asthma, diabetes, chronic lung disease, heart disease, and people over 65 are among those who are at higher risk.
In Lewis County, Danette York, director of Public Health and Social Services, said there have been "sporadic reports" of influenza locally, but she said with flu season here, people should stay at home if they are sick, wash their hands frequently and drink plenty of fluids.