H1N1 Flu Virus


H1N1 Flu Virus


   H1N1 flu is also known as swine flu. It's called swine flu because in the past, the people who caught it had direct contact with pigs. That changed several years ago when a new virus emerged that spread among people who hadn't been near pigs.


    Swine influenza is a highly contagious acute respiratory disease of pigs, caused by one of the several strains of swine influenza A. The virus is spread among pigs by aerosols, through direct and indirect contact, and also by asymptomatic carrier pigs. Swine influenza seen predominantly in the mid-western United States (and occasionally in other states), Mexico, Morocco, Canada, South America, Europe (including UK, Sweden, and Italy), Kenya, Mainland China, Taiwan, Japan, and other parts of eastern Asia and in various parts of India. 


    In 2010, H1N1 was spreading fast around the world, so the World Health Organization called it a pandemic. Since then, people have continued to get sick from swine flu, but not as many.


    During the mid-20th century, identification of influenza subtypes became possible, allowing accurate diagnosis of transmission to humans. Since then, only 50 such transmissions have been confirmed. These strains of swine flu rarely pass from human to human. Symptoms of zoonotic swine flu in humans are similar to those of influenza and of influenza-like illness in general, namely chills, fever, sore throat, muscle pains, severe headache, coughing, weakness, and general discomfort. The recommended time of isolation is about five days.


    Many deaths due to H1N1 have been recorded in the month of January 2019 in Morocco. The outbreak is ongoing. As of February 4th, 11 deaths have been reported in various regions of Morocco.


    Pregnant women who contract the H1N1 infection are at a greater risk of developing complications because of hormonal changes, physical changes and changes to their immune system to accommodate the growing fetus. For this reason the Center for Disease Control and Prevention recommends that those who are pregnant to get vaccinated to prevent the influenza virus. The vaccination should not be taken by people who have had a severe allergic reaction to the influenza vaccination. Additionally those who are moderately to severely ill, with or without a fever should wait until they recover before taking the vaccination.


   Influenza can be treated using antiviral medication, which are available by prescription. Oseltamivir (trade name Tamiflu) and zanamivir (Relenza) are two neuraminidase inhibitors (antiviral medications) currently recommended. It has been shown that they are most effective when taken within two days of becoming sick.




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