Questions tagged [influenza]

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24
votes
6answers
11k views

Is it advisable for a healthy male in his early 40s to take the influenza vaccine?

Influenza vaccines do not have satisfactory effective rates of preventing flu. Flu vaccination reduces the risk of flu illness by between 40% and 60% among the overall population during seasons when ...
13
votes
2answers
307 views

Why does the flu only happen in winter?

I can understand that our immune system may be weaker when we are cold (?), but since these viruses live inside a human body which internal temperature is constant over the year, why does the season ...
12
votes
1answer
232 views

How effective was the 2014-2015 influenza vaccination?

I’m aware that the CDC released this abysmal report on the effectiveness of this year’s influenza vaccination, including data collected through Jan 30, 2015. In practical terms, this means the flu ...
8
votes
1answer
81 views

Is it safe to get a flu shot when living with an elderly person?

I share a house with a healthy nonagenarian. I know the flu can be dangerous for people of advanced age, so I'm considering getting a flu shot this year. Is this a good idea? Are there any risks I ...
7
votes
2answers
211 views

Difference between common cold and flu?

What are the differences between flus and colds? I don't know about English, but in Spanish they confuse it very often when using words gripe and resfriado. Maybe it's not the case in English, but I ...
7
votes
1answer
190 views

Can getting the flu shot make you sicker next year?

During college I faithfully got my flu vaccine every year. Shortly after I left college the US had a year with a bad flu vaccine shortage (2004). When discussing the shortage with my coworkers at ...
7
votes
1answer
108 views

Should my kid get a flu shot if I'm coming down with something? [closed]

I've been putting off getting flu shots for myself and my toddler because I've been busy, and finding time has been difficult. Now I'm coming down with the flu. (Or a cold or something - you know how ...
6
votes
3answers
564 views

Does flu vaccine contain aluminium hydroxide adjuvant?

I know that some vaccines contain aluminium hydroxide as an adjuvant. Do common flu vaccines contain aluminium hydroxide too? If yes, are there flu vaccines without aluminium hydroxide?
6
votes
1answer
126 views

Protection against Flu - in 1957?

I came across a cartoon by Giles from the Daily Express of 28 August 1957. There was controversy about US Armed Forces being stationed in the UK at the height of the cold war. Giles, an acute observer ...
6
votes
1answer
111 views

Best type of flu shot

This October I am going to new Doctor who is close to my home. Old Doctor passed away. I went to CDC website and it lists many type of flu shots http://www.cdc.gov/flu/protect/vaccine/vaccines.htm ...
5
votes
2answers
175 views

Why are two influenza vaccinations required for people under a certain age?

According to the CDC, people under 8 who have never had the flu vaccine or flu should get 2 doses at least 28 days apart. The reason given is that "the first dose 'primes' the immune system," but as ...
5
votes
1answer
85 views

Does efficacy of the flu vaccine change if received while sick with the common-cold?

If one’s immune system was dealing with fighting any common-cold virus infection, does that in any way change the efficacy of the flu vaccine received at that time? I don't know how efficient the ...
5
votes
1answer
57 views

Is the 2017-2018 flu vaccine a "good match" for circulating influenza viruses?

I've seen news stories (such as this one) claiming that the 2017-2018 flu vaccine is not a "good match" to circulating influenza viruses. However, the CDC states: Two hundred sixty-two influenza A(...
4
votes
1answer
49 views

How do we know that the Spanish flu was an influenza? [closed]

Many diseases of the respiratory tract present as having “Flu like symptoms” how do we know that the 1918 Spanish flu was a strain of influenza and not some virus with similar symptoms?
4
votes
1answer
107 views

Is there a simple plot comparing covid lethality to flu as a function of age?

There is so much arguing over covid-19 vs. influenza. I would like to have some solid data in my hands. Can anyone point to a simple graph of the following? age vs. either CFR or IFR with one line for ...
4
votes
1answer
89 views

How likely is the seasonal flu shot to protect you from a flu pandemics?

I've seen various sources (notably the government of Canada) saying it was "unlikely", but how unlikely? I'm asking because I wonder if prepping against flu pandemics would be a sufficient reason to ...
4
votes
1answer
64 views

Do humidifiers help cure the flu?

According to this report, absolute humidity affects transmission and survival of the influenza virus with 90% accuracy. Lower humidity at winter promotes both the influenza virus transmission and its ...
4
votes
1answer
116 views

Why would anyone choose a trivalent flu shot when there are thimerosal-free quadrivalent ones available?

My understanding is that quadrivalent flu shots are designed to build immunity to 4 flu virus strains, while trivalent flu shots are designed to build immunity to 3 flu virus strains. Is this ...
4
votes
0answers
87 views

Should you warm up even to potentially dangerous levels with a flu or cold?

When waking up with a sore throat, stuffed nose and propensity to feel colder than normal, you can be unsure exactly what infectious vector caused it. Some people's normal modus operandi would be to ...
4
votes
0answers
165 views

What to do after being exposed to someone with the flu/cold

If I spent 45 minutes in a car with closed windows with someone that had a cold/flu, what would I have to do immediately after exiting the vehicle to reduce and if possible eliminate the chance of ...
3
votes
2answers
417 views

Why it's said a coronavirus vaccine wont be ready for using in 12-18 months when for the H1N1 2009 outbreak there were vaccines available in 6 months?

From different sources we hear that a coronavirus vaccine might be ready in weeks / April / 3 months, but that they would require testing and mass production and it won't be ready to use until 12/18 ...
3
votes
3answers
254 views

Is it possible to get a secondary infection following a flu shot

Can a flu shot entail a risk of secondary infection like a real flu? I just had my flu shot today and the resulting faux-flu is hitting me hard with fever, cough, aches, etc. I was wondering if the ...
3
votes
1answer
379 views

Why did COVID-19 spread so much faster than H1N1/09 in China?

Despite China's success in controlling the COVID-19 outbreak insofar, a March 31 Science paper that analyzes the response has this intriguing (and alarming) observation The dispersal of COVID-19 ...
3
votes
1answer
224 views

Does isotretinoin increase your chance of colds and flus?

For brevity, I'll use URTI to refer to both colds and flus. Is this medically correct? My sister hasn't gotten a URTI in the past five years previously. But since starting Epuris in Sep. 2018, her ...
3
votes
1answer
2k views

Yearly flu and cold got worse after Mononucleosis

A few years ago I had Mononucleosis. Since I thought it was a bad case of flu, it went untreated. But for several months, I had flu-like symptoms (fever, very runny nose and lot of mucus) every 4 ...
3
votes
1answer
92 views

Do we lose resistance to the common cold over time, or are we infected by a different cold each time?

In Guns, Germs, and Steel by Jared Diamond it says our resistance to the flu and common cold is only "temporary". However, I was under the impression that if we get a flu/cold we stay immune forever, ...
3
votes
0answers
37 views

Might the lack of Flu this year cause a problem creating next years flu vaccine?

According to this article, the UK lockdowns have had the effect of virtually eliminating Flu. As most of Europe/ The World has seen similar lockdowns, my expectation is that this would be reflected in ...
3
votes
0answers
48 views

Why does a tense arm worsen flu shot soreness?

Multiple nurses have told me that the key to a pain-free flu shot is to completely relax your arm. How would you explain what's going on at the cellular level when a tense muscle receives a shot and ...
2
votes
3answers
191 views

Was it a lab accident or something else that re-released H1N1 in 1977?

In the highly cited 2006 review of Taubenberger and Morens it is mentioned that: The impact of this pandemic was not limited to 1918–1919. All influenza A pandemics since that time, and indeed ...
2
votes
1answer
3k views

What are the earliest symptoms that can tell you it's HPS (Hantavirus Pulmonary Disease) or Flu?

I am reading about Hantavirus and its symptoms (in general, i am reading about rat diseases), after watching several different sites i came up with a doubt i can't seem to solve. Some sites say that ...
2
votes
1answer
82 views

Any irreversible damage from not treating common cold right

When I catch a cold, I usually just work through it, i.e. take no rest day and try to live by the same schedule as when I'm healthy. I already read on WebMD that this behaviour can increase the ...
2
votes
1answer
52 views

Is a patient who has an autoimmune disease immunocompromised?

If a patient has an autoimmune disease - Hashimoto's Thyroiditis, for example - and is not on immunosuppressants, are they at a higher, lower or equal risk of ending up with COVID-19 (or any other ...
2
votes
0answers
85 views

How quickly does soap inactivate enveloped viruses, e.g. influenza, compared to antiseptics like alcohol?

To begin with, I'm not talking about merely washing away a virus with soap (and water), but rather that enveloped viruses, like influenza appear to also be directly attacked in their lipid envelope by ...
2
votes
0answers
33 views

Why do we get weaker/fatigued during and after a fever?

I had fever (Influenza and body ache, I think) recently and I fast I was hit by weakness/fatigue. In a matter of hours, I started experiencing the following symptoms (most of which remained for a ...
1
vote
1answer
71 views

Flu vaccine paradox [closed]

Here are two facts that one clearly admit and and almost read everywhere: Fact 1) it needs many years to elaborate a vaccine (from research, creation, testing and approval) Fact 2) new vaccine for ...
1
vote
2answers
102 views

Can oseltamivir shorten the duration of COVID-19 and inhibit replication and transmission of the SARS-CoV-2 (2019-nCoV) virus?

Oseltamivir (Tamiflu) is an antiviral medication used to treat and prevent influenza A and influenza B (flu). It is said to reduce symptom duration even when initiated more than 2 days after symptom ...
1
vote
1answer
50 views

Type of Flu Shot for Person in Late 30s - Which Standard Dose Provides Most Protection?

Updated Question Of all the standard dose vaccines, which one is most strongest? Flu shot doesn't guarantee against flu, but it is a layer of defense. According to this link there is Afluria, ...
1
vote
1answer
58 views

What is the delay in ILINet case reporting?

In the "Opening Up America Again" White House presentation they showed this graph How up-to-date is that precipitous drop though we can see there? I found the relevant CDC page (there's a similar ...
1
vote
1answer
30 views

Necessity of flu shots under pandemic living conditions [closed]

Is the following logic valid? Getting an influenza vaccine is less necessary this season, if one is going to live under conditions (mask-wearing, drastically reduced contacts with others etc) designed ...
1
vote
1answer
51 views

What are the current statistics of the flu globally since December 2019 until today?

I can only find the current statistics for the US that says "Between 36 million and 51 million people have been stricken with the flu as of March 7, according to the latest CDC data." Source: https://...
1
vote
1answer
56 views

What is the sensitivity / specificity of a symptom?

I know the two terms in the context of a classification problem: A classification algorithms sensitivity/specificity is defined as sensitivity = TP / (TP + FN) specificity = TN / (TN + FP) I like ...
1
vote
1answer
165 views

How effective is oseltamivir when given before symptoms of flu appear?

A day before someone gets symptoms of flu, it can already been detected that the person will get the flu, as the person is already contagious. Would an antiviral like oseltamivir (Tamiflu) then be ...
1
vote
1answer
58 views

Are many viruses actually good for us?... maybe even essential to our survival?

We know that a very large proportion of bacteria are essential to our good health. Every other day we see press release about the microbiome, and its multitude of health implications. Is there ...
1
vote
1answer
343 views

Peer-reviewed IFR estimates for (seasonal) influenza?

It seems every journalist has his favorite expert that they can quote to whip up a CFR or IFR number for influenza. (For example, a question here [which no longer has this information] said that the ...
1
vote
1answer
100 views

Do vaccines slow the spread of disease or do they reduce the severity of the disease?

I have been reading about the spread of virus and understand comparisons that are being made with the flu. The flu propagates through a population with vaccinated people while a new virus has an ...
1
vote
1answer
26 views

How is the total calculated for influenza vaccination coverage calculated?

I found these data concerning influenza vaccination coverage in Italy. I don't understand how the total is calculated. It is not a simple media. For example, for the season 2016-2017 the data are as ...
1
vote
1answer
424 views

How is it possible for someone to suffer repeated bouts of flu?

About a month and a half ago I caught flu... recovered fairly quickly (2 days), and then 1 week later I caught another one, again, recovered even faster (just 1 day, a good night sleep) and a week ago ...
1
vote
1answer
196 views

Are influenza vaccinations the same worldwide?

Are influenza vaccinations a.k.a. flu shots the same worldwide? For example, if the patient gets a flu shot in South Korea in October, then spends the winter in the United States, would the protection ...
1
vote
2answers
41 views

If person got covid vaccine some time ago, should he get flu vaccine?

Say person got covid vaccine several months ago (say one of Chinese vaccines), is it safe to get flu vaccine? Best info I found was from CDC While limited data exist on giving COVID-19 vaccines with ...
1
vote
0answers
9 views

What are the current statics of the flu globally since december 2019 until today?

I can only find the current statics for the US that says "Between 36 million and 51 million people have been stricken with the flu as of March 7, according to the latest CDC data." link: https://www....