Discovery of Virus | A Class Room Experience

Discovery of Virus | A Class Room Experience
Welcome to the world virology. In this video lecture discovery of virus | A class room experience I discussed with my students about history and discovery of virus according to new book of biology for first year pre-medical group. What are viruses? Why they are known as viruses? How different scientists contribute to the discovery of viruses, etc.
"Aur wo bhe aap ko apni zuban / boli / bhasha main". :-)
Notes
The term virus means “venom” or “poison” and initially used for diseases that have unexplainable origin at that time.
Viral diseases are known for centuries and first disease against which Edward Jenner developed vaccine was a viral infection i.e. small pox.
In 1884, French microbiologist Charles Chamberland (an associate of Louis Pasteur) discovers that solution containing causative agents of rabies (a viral infection) can cross porcelain filters (which at that time used to filter bacteria from solutions).
Soon same fact established for many other diseases and term filterable virus becomes common in biological world.
In 1892 D. Ivanovsky finds out that disease extract from one virally infected organism (tobacco plant for Ivanovsky’s study) when transmitted to other organisms can lead to transmission of infection from one organism to other.
Twort and Herelle discovered bacteriophage viruses in 1915 and 1917 respectively.
In 1931 first electron microscope was invented and after 4 years of that W. Stanley crystalized first viruses i.e. Tobacco mosaic viruses.
Stanley discovered viruses by using compound microscope and studied its detailed structure by using electron microscope.
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[@Naseem143]

Tnx Sir ❤

[@muhammadaamir8136]

Don't have enough words to appreciate such explanation. you just made me speechless. May you get success in your life . Keep making us able to be better in biology.

[@ahmarali8588]

Plz continue like this lectures.

[@DrAsimLectures]

In sha Allah

[@cricketarena4926]

Waw waw

[@IhsanAli-le5me]

Sir Masha Allah

[@genieislamforever5590]

Thanks sir 😍😘

[@kelashkumar4770]

Sir amazing I have no words for such a unbelievable explaination

[@DrAsimLectures]

Glad you liked it. Now please help me getting more subscribers by introducing my channel to your class fellows and juniors

[@adesh1184]

Sir please continue to record all your lectures in the classroom.. Because it really feels like taking a physical class.

[@DrAsimLectures]

I will try my best

[@md.umarfarukh4027]

Behtareen 🤍

[@imranameer102]

Akhr kar apne diversity shuru krde mehrbani sir apke lectures hume boht suppprt krte hai thankx sir

[@DrAsimLectures]

Glad you liked it. Now please help me getting more subscribers by introducing my channel to your class fellows and juniors

[@imranameer102]

@@DrAsimLectures yes sir wo ta krte hai mere sare class felow apke he lectures sunte hai

[@muhammadaamir8136]

Sir is a complete biology teacher . ❤

[@asmatullah8862]

Nice sir

[@Captain.MK002khang]

Mashahalla best sir❤❤

[@DrAsimLectures]

Allah is the best

[@sadicricks6145]

Continue rakhen sir class ke sath sath 🙏plzzz

[@DrAsimLectures]

In sha Allah

[@imranameer102]

Thankx sir

[@sadia259]

Sir iam aspirant of mdcat 2024 plz sir bio ki new book h to mujhy koi achi mcq book btadain practice k liye plzz sir

[@asmatullah8862]

Please sir more videos send 🙏🙏

[@asmatullah8862]

Mdcat

[@azamkha8400]

❤❤❤

[@IAMK123]

Chalo shukar hai Aapne video upload krdi Aur Achi video 😅 ISI tarha upload krte rho Classes to wese Bhi Lete hoge. To class Lete hue use record Bhi krdia kro Bhala ho jaega hamara By the way 💯👌 Lecture

[@DrAsimLectures]

Acha jee. In sha Allah jee. Aap dua karo jee.

[@IAMK123]

Allah aapko Lambi + Khush zindagi de. Baaki videos jaldi jaldi upload kre 9 month baad Mera MDCat hai aur bio Ka teacher koi nhi hai Jo ache se aapki tarha Sindh board parhate Lihaaza kindly daily 2 videos upload kre Shukria❤️

[@binteayub9312]

Sir u r similar with my uncle who has died in 2017😢 ...

[@DrAsimLectures]

Allah un ki maghfirat karay aur darjaat buland karay. Ameen

[@rrlectures196]

9:00

[@DrAsimLectures]

?

[@shakeelkhoso2932]

Continue sir plz

[@DrAsimLectures]

Jee in sha Allah. Sab ko batao. Aur ziada ziada subscribe karwao

[@medicine55]

Assalamualaikum sir MDCAT 2023 k Liye new book's ko follow Karain or old Books ko???? SINDH board k students..

[@DrAsimLectures]

W salam. Old

[@medicine55]

@@DrAsimLectures JazakALLAH sir.. Alright..

[@edwardjanner5806]

Sir aage bhi banaye ga

[@DrAsimLectures]

In sha Allah. Zaroor

[@muhammadsayam6266]

Sir koi andar ki khabar dn sallybus k bare mn

[@DrAsimLectures]

Jaisay?

[@cricketarena4926]

@@DrAsimLectures mtlb ye pmc sylabus de gi ya nahi overaal syllabus cover krna pre ga jase pehle Sindh main hota raha hai

[@DrAsimLectures]

Wait for it

[@ahmarali8588]

Your entry test academy classes name?

[@DrAsimLectures]

Learners Academy

[@ahmarali8588]

@@DrAsimLectures Hyderabad?

[@edwardjanner5806]

Mein ne aap ko Kaha tha

[@DrAsimLectures]

Kiya kaha tha?

[@edwardjanner5806]

Sir mein bohat ziyada subscriber Karwa rha hoon lekin aik Mera kaam Kar do enter Ka teesra chapter parhao Sindh board

[@DrAsimLectures]

Pura uploaded hai mere channel pe. Pura chapter hai. Daikh lain.

[@edwardjanner5806]

Konsa endocrinology

[@edwardjanner5806]

@@DrAsimLectures animal behaviour par nhi banya wo bhi us chapter mein hai wo to banaein na

[@cricketarena4926]

Plz ab continue krna

[@DrAsimLectures]

In sha Allah