Conclusions: Influenza seasonality in the Philippines is from June to November. The ideal time to administer Southern Hemisphere influenza vaccine should be from April to May. With two lineages of influenza B circulating annually, quadrivalent vaccine might have more impact on influenza control than trivalent vaccine.
What strain of flu is going around 2020?
The committee recommended that the quadrivalent formulation of cell- or recombinant based influenza vaccines for the U.S. 2020-2021 influenza season contain the following: an A/Hawaii/70/2019 (H1N1) pdm09-like virus; an A/HongKong/45/2019 (H3N2)-like virus; a B/Washington/02/2019- like virus (B/Victoria lineage);
Is the flu going around 2020?
Public health and clinical laboratories reported 2,038 flu cases during the season from Sept. 27, 2020, to April 24, 2021, according to the Centers for Disease Control and Prevention. The agency estimated about 38 million people were sick with the flu during the 2019-2020 season.
Which flu virus is going around 2019?
This year’s vaccine was designed to attack four strains: H1N1, H3N2, Influenza A, and Influenza B. The predominate strain this year has been the H1N1 virus, with the H3N2 strain popping up more in southeastern states.
Where is the flu highest?
A study in 2015 looked into where influenza is most common, alongside how it spreads around the globe. While there are cases of it appearing all around the world, scientists found that it is far more prominent in the east than in the west, particularly in Southeast Asia.
Is Flu A or B worse?
Type A influenza is generally considered worse than type B influenza. Flu or influenza is a contagious (spreads from person to person) viral illness that affects the respiratory tract (the nose, throat and lungs). Flu infections are more common during the fall and winter.
How effective is the flu vaccine this year 2020?
The vaccine must be changed each year, in hopes of matching the ever-mutating viruses. And that’s been a challenge. On average, it’s been 40% effective, meaning it’s prevented illness 40% of the time.
What state has the highest flu rate?
Not all states are impacted equally. Alaska has the lowest number of flu and pneumonia deaths per capita from 2013 to 2020 at 233 per 100,000 people, and West Virginia has the highest at 687 per 100,000 people.
How long are you contagious with flu NHS?
Flu is usually most infectious from the day your symptoms start and for a further 3 to 7 days. Children and people with lowered immune systems may be infectious for a few days longer.
What are the symptoms of this year’s flu?
- fever* or feeling feverish/chills.
- sore throat.
- runny or stuffy nose.
- muscle or body aches.
- fatigue (tiredness)
- some people may have vomiting and diarrhea, though this is more common in children than adults.
How many regular flu deaths have we had this year?
Final 2019/20 Flu Numbers
410,000 to 740,000 hospitalizations. 24,000 to 62,000 deaths.
How long is flu contagious?
People with flu are most contagious in the first 3-4 days after their illness begins. Some otherwise healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick.
How many flu strains are there in 2020?
Dr. Lee says this year’s flu vaccine covers four strains of the flu that are recommended by the World Health Organization. The strains recommended for vaccination for the 2020-2021 flu season in the northern hemisphere are: A/Hawaii/70/2019 (H1N1)pdm09-like virus. A/Hong Kong/45/2019 (H3N2)-like virus.
What state has the most flu deaths this year?
Hawaii has the highest flu and pneumonia death rate of all states, with 24.4 deaths per 100,000 individuals, according to a ranking from the Kaiser Family Foundation.
Which countries have the most flu deaths?
See the full country rankings below:
|Ranking||Country||Death rate out of 100k|
Where does the flu start in the world?
Among their findings: seasonal flu originates in eastern and Southeast Asia. The result broadens previous hypotheses that such viruses emerged in China or exclusively in tropical regions.