What started in Wuhan, China took the world by a storm and turned our lives upside down. H7N9 infection has been associated with high morbidity and mortality rates, and vac … A 21-year-old member asked: i'm traveling internationally, am i more likely to contract bird flu? Pandemic years are associated with many more cases of influenza and a higher case fatality rate than that seen in seasonal flu outbreaks. That's because the cases reported by WHO include only people who were sick enough to go to a hospital and be laboratory-tested for the virus. The extraordinarily high mortality rate of avian influenza (>60% for H5N1; approximately 30% for H7N9) is worrying and reasonably accurate. This time it is the revisitation of the bird flu. Bird flu in India. Since the confirmation of outbreak of bird flu at Pong Dam Lake Wildlife Sanctuary in Himachal’s Kangra district on January 4, the area is now witnessing substantial decrease in mortality of … Associate Professor Centre for Community Medicine, AIIMS, Haresh Salve says that ‘Good thing about Bird Flu is that human-to-human transmission is less reported. Mortality rate measures how frequently people die in a specific population during a specific time period.One way of looking at that is with the case fatality ratio. "Until we do that there's no way to know," Racaniello said. But if the WHO is seeing only those who get to the hospital, it's likely that the number of people with the virus is higher, the researchers say. To the Editor: The highly pathogenic strain of avian influenza virus subtype H5N1 presents a major challenge to global public health systems. (Palese's paper does consider the Hong Kong outbreak separately and gets the same numbers as Osterholm.). Future US, Inc. 11 West 42nd Street, 15th Floor, The Maharashtra animal husbandry department is riding high on confidence after depleting threat of the bird flu outbreak in the state. The big question is how that translates to the rest of the population. While it doesn’t currently spread well among humans, experts believe it can mutate into more virulent forms. The main cause for concern is the high mortality rate - 60 per cent in humans who contract the most common strain of bird flu. It has also been detected in crows. Please deactivate your ad blocker in order to see our subscription offer, (Image credit: Cynthia Goldsmith, Centers for Disease Control and Prevention), 'Ice age' horse skeleton found in Utah backyard isn't what we thought, Egyptian pharaoh was executed on the battlefield, mummy reveals, Watch NASA's Perseverance rover land on Mars, A new 7 minutes of terror: See the nail-biting Mars landing of NASA's Perseverance rover in this video, Planet 9 probably doesn't exist, new paper argues. Visit our corporate site. A 60% mortality rate is staggering. The World Health Organization (WHO) reported 586 human cases of the H5N1 flu since 2003, and notes that as of Feb. 22, 59 percent (346 individuals) of those people had died. Currently, India is facing a double whammy with coronavirus and avian flu looming large. TheHealthSite.com is India's largest health site with more than 40 lakh unique visitors per month. There have been very few instances of seropositive individuals without clinical signs of infection. Six of the 18 humans died. However, sporadic human infections with avian flu have occurred. Covid-19 on rise again in India: Here’s why you need to worry! What separated the flu from other influenza outbreaks was its unusual mortality pattern, which saw it strike down completely healthy young adults. According to the CDC from April 2009 to April 2010 there were about 60.8 million cases of the swine flu with 12,469 deaths in the United States. Wolfe added that the 1918 flu pandemic was likely less than 2% mortality, so whether the mortality rate is 58.6% or it is closer to 20%, "...either way there is still plenty to fear from H5N1." Mortality rate: 60% Severe avian flu is spread from close contact with infected birds. 80% of the virus-related deaths were estimated to occur in those < 65 years of age. This study comes on the heels of controversy surrounding experiments with H5N1 by Ron Fouchier at the Erasmus Medical Center in the Netherlands and Yoshihiro Kawaoka the University of Wisconsin-Madison. World's first Covid-19 human challenge study to begin in UK: What's it all about? According to the World Health Organisation, avian flu does not normally infect humans. Although there is not universal consensus regarding where the virus originated, it spread worldwide during 1918-1919. Since the … This is the proportion of people with confirmed cases of a particular condition who die due to that condition. With two major diseases looming large in the country, people are bombarded with so much information that they can’t seem contemplate the difference between the diseases. He added, “While avian influenza can have a high mortality rate, it rarely spreads from one human to another. Photo tour of Jezero Crater: Here's where Perseverance will land on Mars, Original 'Stonehenge' discovered, echoing a legend of the wizard Merlin. According to the World Health Organization, human-to-human … However, it is a short-term flu and may be treated within days to weeks using anti-viral drugs. [Take LiveScience's Bird Flu Quiz]. File image. Read here, Pancreatic cancer: Combination therapy may be able to suppress tumour growth significantly, Suffered depression: Virat Kohli opens up on mental health issues in cricket world. But the virus doesn't seem to transmit well in its wild state from person to person. H5N1 is usually only present in birds. Bird flu is another disease thought to have emerged from China, and five strains of the virus can infect humans. It causes many illnesses, including the common cold and flu. Currently, influenza (H5N1) infection is a zoonosis with a 60% case-fatality rate for affected persons over 3 continents; the virus could mutate to become directly transmissible among humans ().This potential for pandemic … Michael Osterholm, director of the Center for Infectious Disease Research and Policy, which studies threats of bioterrorism, says there are flaws in the methods used. COVID-19 is an infectious disease caused by a newly discovered coronavirus that affects the respiratory system. In each study the percentage of people whose blood serum showed evidence of a prior H5N1 infection ranged from 0 to 11.7 percent, though the last figure came from people living in close quarters with those who were infected. "If you put your head in the freezer and your feet in the oven, of course the average temperature will be just right," he said. “Swine Flu” The US Centre for Disease and Control Prevention (CDC) estimated that 150, 000 to 575,000 people died from (H1N1) pandemic virus infection in the first year of the outbreak. To add to the crisis, bird flu or avian flu has knocked on the doors yet again. While it doesn’t currently spread well among humans, experts believe it can mutate into more virulent forms. Flu viruses that infect humans link to a receptor called alpha 2,6, which resides in mammals' respiratory systems. Vincent Racaniello, professor of microbiology and immunology at Columbia University in New York, said he thinks the study is a good one, and points to the next step of looking at larger populations that aren't going to hospitals. You can find out more-. With the many common symptoms, it may be hard to diagnose just based on clinical features. Also Read - 50% Covid-19 recovered patients found with damaged heart. They cited the danger that somebody might try using that data to create a biological weapon. It is said that these birds were tested positive for some bird flu. 35 years experience Travel Medicine. By continuing to use the site, you agree to the use of cookies. For instance, one of the studies included in the analysis looked at the 1997 bird-flu outbreak in Hong Kong, which, Osterholm said, raises the number of people who were seropositive. According to the World Health Organization, human-to-human transmission does … The protein H5 only connects to a molecule called alpha 2,3 linked sialic acid. An analysis of three other pandemics over the last century also suggests pandemic viruses cause excess mortality in ‘unusually young populations.’ COVID-19 An analysis of countries and US states or major cities with at least 250 COVID-19 deaths as of 4th April reports that individuals aged <65 accounts for less than 10% of all COVID-19 deaths. Most popular health and wellness website in India in 2012 at the Website of the year awards. It was caused by an H1N1 virus with genes of avian origin. New York, Covid-19, on the contrary, spreads rapidly between human. Palese and his colleagues looked at 20 studies of H5N1 incidence rates, doing what is called a meta-analysis, or a study of studies. The strain was identified as H5N1- the same strain that is in India now – with a high mortality rate. Also referred to as avian influenza, it is the diseases caused by the H5N1 influenza virus, which occasionally infects humans. Not everyone is happy with the work. "Peter [Palese]'s paper just confuses the issue because of the Hong Kong experience," Osterholm told LiveScience, adding that only more recent studies, of a virus  more similar to that plaguing humans today, should be used. Even so, that doesn't mean H5N1 is benign. Mortality rate for humans with bird flu is about 60 percent, and the symptoms aren’t pleasant. Please refresh the page and try again. Although the actual rate of mortality during a pandemic is unknowable in advance, it is pressing to predict the possible ranges for that lethality responsibly in advance. Even a 2 percent infection rate is a lot of people in a group of millions — say, a city the size of Bangkok. The department of animal husbandry has reported 25 episodes of H5N1 bird flu in poultry in 15 states from 2006 (when the first outbreak occurred in Maharashtra and Gujarat) till 2015. Covid patient often have diarrhoea and loss of sense of smell and taste,” says Dr Jai Mullerpattan, Consultant Pulmonologist, P.D Hinduja Hospital & MRC. If contracted it can be lethal with a mortality rate of more than 50 per cent in humans over the past 15 years. Also Read - Covid-19 on rise again in India: Here’s why you need to worry! While it doesn’t currently spread well among humans, experts believe it can mutate into more virulent forms. Birds have that receptor in their respiratory and digestive tracts. may provide clues and confirmation by a throat, or nasal swab test would be necessary.”. Anyone sick enough to do that is more likely to die to begin with, and in countries where avian flu is present, access to health care and hospitals is spotty, according to Palese. The 1918 influenza pandemic was the most severe pandemic in recent history. When people do become infected with H5N1 virus, the mortality rate is about 60 per cent. Shitalkumar Mukane, district deputy commissioner, animal husbandry, Pune, told TOI, “In avian influenza, mortality rate in a flock is very high. Another factor will be how easy it is to get the virus in the first place. The pre-pandemic case fatality ratio of over 50% provides a grim backdrop for the fact that the currently circulating H5N1 strains have certain genetic similarities with the Spanish Influenzapandemic virus. “An RT-PCR for avian influenza (bird flu) would be the test of choice for distinguishing the two and should be sent for all patients with respiratory symptoms in areas where outbreaks of bird flu have been detected in poultry or native birds,” he added.

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