|Flu hospitalizations|| |
|Ohio flu-related hospitalizations were high for the 2017-2018 season.|| |
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|Source: Ohio Department of Health|| |
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Public health officials mobilize each year to encourage vaccinations to slow the spread of the virus, which can lead to not only missed school or work but also death.
At its peak in January, there were more than 1,800 Ohio flu-related hospitalizations in one week. There were also four pediatric deaths this season related to the flu, including one child in Dayton.
De Fijter said this year the flu season started early, peaked earlier than usual and continued for a long season that led to high numbers of cases not only in Ohio but also around the U.S.
“What we did not anticipate and what we saw was the season started to peak early in the winter, and it went on for a long time. If I need to wrap it up with one word, it would be ‘long,’” she said.
High counts of flu-related hospital stays were reported around the country, officials said.
“The cases kind of went off the charts this year,” de Fijter said. “It’s just a national phenomenon this year.”
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The flu vaccine was about 36 percent effective this season, according to CDC’s early estimate reported in February. That is a higher effective rate than was feared after the Southern hemisphere, which experiences the flu season first, had a low vaccine effectiveness rate, de Fijter said.
However, even if someone is vaccinated and still gets the flu, they typically have milder symptoms than if they were unvaccinated.
A driver of the high rates of hospitalizations was the prevalence of the nasty H3N2 flu strain. The strain leads to higher rates of severe cases, and past years with high flu hospitalizations were also years when H3N2 was prevalent, said de Fijter.
Toward the end of the season, flu cases shifted from H3N2 to H1N1, which is a strain that typically causes less hospitalizations than the H3N2 strain.
The flu season prompted local hospitals to restrict children under the age of 14 and anyone with flu symptoms from visiting patients. Bryan Bucklew, president and CEO of the Greater Dayton Area Hospital Association, said the region's hospitals had not had to implement visitor restrictions for flu season in several years.
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“The number of hospitalizations was significantly above our five-year average,” Bucklew said.
Hospitals rescinded the restrictions in late March.
Bucklew said hospitals prepare for the season through hospital employees getting flu shots and preparing more beds than needed during slower periods.
He said some of the groups most impacted by the flu this year were the groups typically most susceptible, like older residents, children and those with compromised immune systems.