Ho deciso di tradurre in italiano una preziosissima tabella creata dalla bravissima @mugecevik dove viene riportata l'efficacia degli attuali vaccini contro la variante DELTA. Sotto una serie di considerazioni e disclaimers.
Spoiler: funzionano!
1) i dati dal mondo reale sono i migliori in assoluto, rispetto a quelli dei trials che non rappresentano una situazione realistica
2)dati insufficienti significa che ORA lo sono ma presto potrebbero essere significativi
3)Palese l'effetto della seconda dose
4) ENORME l'effetto su malattia grave (ospedale/morte)
5) calcolare effetto su infezione e trasmissione è difficilissimo ecco perchè non ci sono ancora dati
6)ricordiamoci che il vaccino per l influenza ha efficacia 45-55% ed è estremamente utile
7) nonostante non ci siano dati definitivi per infezione e trasmissione sappiamo che il vaccino riduce enormemente i sintomi e quindi anche la trasmissione
8) ricordiamoci che la variante DELTA possiede parecchie mutazioni ma nonostante ciò i vaccini funzionano
9) per evitare saturazione ospedali quante più persone possibili devono essere vaccinate in modo che il virus non trovi terreno fertile.( anche se individualmente rischio poco rappresento un terreno di crescita del virus)
10) vaccini riducono le varianti
Con un profilo di sicurezza altissimo e ormai miliardi di somministrazioni nel mondo non ci sono più scuse,
allego facile guida del @ilpost su come leggere le percentuali di EFFICACIA

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More from @AurelianoStingi

23 Aug
Will the COVID19 vaccine cause cancer?
Short answer: No!

a thread

Considering the novelty and the technology of the COVID19 vaccines many people are scared about the long term consequences. The main concern is about CANCER.
Cancer arises when our DNA is damaged or modified by an agent. 2/n
Smoking is a perfect example of carcinogenic activity. Cigarette smoke introduces in our body at least 70 chemicals that interact with our DNA. Those interaction results in CANCER. 3/n
Read 6 tweets
20 Aug
I have heard this word out of place so many times lately that I want to make a thread 1/n
ADE is Antibody Dependent Enhancement, literally, we help the virus to enter and attack our body. Is a complicated mechanism not fully understood in which our body creates specific antibodies that facilitate viral entry. 2/n
Let's go back to my first image, imagine that Sars-CoV2 want to throw a party inside our cells, normally it enter to one door ACE2 with some difficulties. In case of ADE our own body create a kind of PASS for the virus and it facilitates its entrance. Quite stupid.

Read 7 tweets
19 Aug

Ogni giorno ricevo moltissimi articoli che riportano vere e proprie stragi tra i vaccinati. Il vaccino ci sta uccidendo tutti?


facciamo chiarezza
Non penso sia il caso di ricordare quanto i vaccini contro la covid19 stiano cambiando l'andamento della pandemia, migliaia di vite sono state salvate e centinaia di migliaia saranno salvate. @emmevilla lo rappresenta bene nei suoi grafici.
Ok i vaccini sono utilissimi ma sono sicuri?
risposta breve: si!
Dopo l'immissione sul mercato i vari enti regolatori stanno seguendo da vicino l'impatto dei vaccini sulla popolazione con un meccanismo che si chiama
Read 10 tweets
18 Aug

how the current pandemic may help the fight against

Needless to say, HIV is a pandemic, each year kills around 1 million people around the world. While in some rich country the disease is managed with potent and efficient drugs in some other is a death sentence.

Attempts to create a vaccine are countless and started almost 30 years ago. But HIV is a treacherous enemy. let's understand why. 3/n

Read 13 tweets
16 Aug
Too many times I heard 'vaccines induces variants' well, is not true.
Let's try to understand why. 1/n
The first, striking element, can be observed in India. We know that the current Delta variant is born in India and it was called the Indian variant. If look at the prevalence in India you can appreciate that in May 2021 was 90% prevalent. 2/n
In the same period, the percentage of fully vaccinated Indian was close to 3% (an extremely small fraction). Is easy to understand that ONLY 13% of the vaccinated pop CANNOT generate or contribute to a variant, also because the Delta was born WAY before ( probably Dec 2020) 3/n
Read 6 tweets
5 Aug
LAMBDA variant is antibody resistant? It will overcome the vaccine?
Let's discover it together!
First of all let's dive into the neutralization assay
As you can appreciate from the scheme the neutralization assay evaluates the antibodies ability to neutralize viral replication. Is pretty 'simple' you plate human cells and you infect them with the virus. 2/n
As you expected the virus will infect 100% of the cells, instead if you add antibodies those will neutralize the virus. In this second situation, you can see that the antibodies reduced viral replication by 80% meaning that only 20% of the cells are infected. 3/n
Read 8 tweets

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