What should I write in the norovirus handwritten report?

The content of the norovirus handwritten report is as follows:

Norovirus has obvious seasonality, and people often call it "winter vomiting disease". According to a systematic review published in 2013, 52.7 cases and 41.2 outbreaks globally occurred in winter (December-February in the Northern Hemisphere and June-August in the Southern Hemisphere), and 78.9 cases and 71.0 outbreaks occurred in the cool season. (October to March in the northern hemisphere, April to September in the southern hemisphere)

At this stage, there are only a few documents that measure the number of cases, hospitalizations, and deaths caused by norovirus infection each year. Disease burden indicators. The World Health Organization estimates that approximately 35,000 people die from norovirus infection worldwide each year.

There are approximately 19 to 21 million cases of norovirus gastroenteritis in the United States each year, of which 1.7 to 1.9 million are hospital outpatient visits, 400,000 emergency room visits, 56,000 to 71,000 hospitalizations, and 570 to 800 deaths. .

In 1968, scientists isolated a viral pathogen from the feces of patients with an acute diarrhea outbreak in Norwalk, USA. Since then, various virus-like particles with similar morphology but slightly different antigenicity have been isolated from the feces of patients with gastroenteritis around the world. They are all named after the places where they were found, such as: Hawaii Virus (HV), Snow Mountain Virus (SMV) , Mexico Virus (MxV) and Southampton Virus (SOV), etc.