People in all of these groups are at particular risk from getting very ill from the flu and vaccination is the best protection we have against this unpredictable virus. There is acute anxiety because Australia and New Zealand have been experiencing their worst flu season for many years with struggling to cope.
NHS West Sussex is stressing the importance of encouraging as many eligible people as possible get their jab, which it described as being "the best way to protect everyone from flu".
Of the three options, says John Treanor, M.D., director of the New York Influenza Center of Excellence, "The one with the strongest evidence of proved protection is the high-dose vaccine".
Student health will be offering two more flu shot clinics next week on Thursday Oct. 19, and on Friday Oct. 20.
According to CDC, children below 5 years of age, pregnant women, people who are 65 years or older, and people with chronic health conditions like asthma, diabetes or heart and lung diseases are at a high risk of developing complications from the flu.
It has expanded the nasal flu vaccination programme to include children from the age of two up to and including those in school Year 4.
The CDC recommends a flu shot every season because the body's immune response declines and needs to be improved every year.
The move comes after emergency flu and pneumonia admissions from care homes jumped 16% a year ago, to 29,000 people. Of the 219 flu deaths reported in the state during the 2016-17 season, more than 150 cases involved a person 65 or older. "However, influenza is different - it is a serious infection of the airways that can be quite severe".
Trinity County Public Health will begin its annual countywide seasonal influenza campaign today. Flu vaccination helps reduce hospitalizations among almost 80 percent of diabetes patients and 52 percent of those who suffer from chronic lung disease.
"By getting the flu vaccine, you not only reduce the risk of getting the flu yourself, you will also help protect your family and friends".
Free flu shots are offered by appointment for adults without health insurance, and for children without health insurance or who have Medical Assistance/Forward card.