handys
Član foruma-
Posts
832 -
Joined
-
Last visited
Everything posted by handys
-
Ja imam sarena iskustva oko sebe. Prvu dozu sam odbolovao za oko sedam dana, drugu za oko tri. Bliza rodbina sarenih godina (35-65) uglavnom nista. Mali savet, probajte ako mozete da ne uzimate lekove protiv bolova, posebno NSAID, jer lekari nagadjaju da bi moglo da utice na izgradnju imuniteta (sto traje oko dve nedelje posle druge doze). Oko paracetamola nema konsenzusa (neki kazu moze, neki bolje ne).
-
https://daily.jstor.org/do-viruses-cheat-to-win-at-evolution/ To find out how evolution generates these cheaters, Turner and his research partner, Lin Chao, bred hundreds of generations of viruses. Since viruses mutate extremely quickly, this allowed the researchers to essentially press fast-forward on evolution. They bred six populations of cooperative viruses: Three were allowed to evolve on their own, and three were evolved in a co-infection (with two or three viruses inside of the infected bacteria). “We let the viruses grow for 50 days, which corresponds to about 250 generations of phage evolution,” writes Turner. “By comparison, a similar experiment using a human population would take 5,000 years.”
-
Evo necega sto sugerise da vitamin D ne radi bas (mozda ovo treba u nauku?) https://gizmodo.com/vitamin-d-supplements-dont-seem-to-help-people-sick-wit-1846308538 Meanwhile, the results of what seems to be a genuine randomized trial on vitamin D for covid-19 were published Wednesday in the Journal of American Medical Association—the largest study of its kind to date. Researchers in Brazil said they randomized 240 people with moderate to severe covid-19 in the hospital to receive a single large dose of vitamin D (200,000 IU, compared to the 600-800 IU daily dose recommended for the average adult) or a placebo. All told, they found no difference in the length of hospital stay between people who took vitamin D and those who didn’t. There was also no difference in the mortality rate or other important metrics, like the likelihood of someone needing invasive ventilation. And while the treatment did appear safe, one patient did have an episode of vomiting likely tied to it.
-
Evo nadjoh ovo u NYT: https://www.nytimes.com/interactive/2020/health/sinopharm-covid-19-vaccine.html The researchers then drew off the inactivated viruses and mixed them with a tiny amount of an aluminum-based compound called an adjuvant. Adjuvants stimulate the immune system to boost its response to a vaccine. Because the coronaviruses in BBIBP-CorV are dead, they can be injected into the arm without causing Covid-19. Once inside the body, some of the inactivated viruses are swallowed up by a type of immune cell called an antigen-presenting cell.
-
Ako budem imao ista da dodam, naravno. 🙂 Evo jedan skori tekst koji sam nasao: https://www.dailymail.co.uk/health/article-9262397/How-California-Florida-took-different-approaches-ended-result.html I ovo: https://www.tampabay.com/opinion/2020/12/12/is-florida-better-than-california-at-containing-the-coronavirus-analysis/
-
Meni je ovo interesantna pojava. Da li postoje neka istrazivanja? Pada mi na pamet nekoliko faktora, ali bi trebalo znati demografsku stratifikaciju zarazenih. Prva stvar su radna mesta. Da li mozda na Floridi vise ljudi radi onlajn nego u Kaliforniji? Posto je starija populacija, mozda je manji procenat onih koji idu na posao pa je to razlika? Kakvo je stanje sa skolama i vrticima? Drugo sto me zanima je kakva je porodicna struktura. Da li mozda u Kaliforniji vise ljudi zivi po domacinstvu pa je veca sansa da dodje do unutar-porodicnog zarazavanja (nesto o cemu se pricalo u vezi sa Italijom)? Trece, kakvo je zdravstveno stanje stanovnika Floride i Kalifornije? Da li u Kaliforniji imaju vise ovih pre-existing conditions, pa su nacelno podlozniji? I napokon, iako Kalifornija ima lockdown, koliko se to postuje 'na terenu'? Da li se pisalo negde o ovim faktorima u kontekstu razlika izmedju Floride i Kalifornije?
-
'Daj sta das', ali u nekim okvirima. Ima raznih razloga da se primi sto ranije vakcinom koja je dovoljno dobra. Nisam siguran da stoji poredjenje Sinopharm vakcine i Nestorovicevih saveta. Ovo prvo su ipak razvili vrhunski naucnici i to tehnologijom koja je koriscena i za druge uspesne vakcine. Radujem se sto se mRNK vakcina pokazala uspesno. Da je bila dostupna, bila bi moj prvi izbor, ali nije kao da je Sinopharm = beli luk. Vise je kao PS5 vs PS4. PS5 je poslednja rec u konzolnoj zabavi, ali nema da se nadje. Ako se nekom igraju igre i PS4 ce da uradi dobar posao. Sto se tice razloga za ranije vakcinisanje, odlazak kod zubara ili frizera (ah te male radosti) bez onoliko bojazni koliko bi bilo da se ide bez vakcinacije uopste nije zanemarljiv. A ima toga jos, to su samo dve instance. Putovanja su tu na poslednjem mestu. Cak iako ostane negativan PCR, vakcinacijom se povecava sansa da bude negativan u onom trenutku u kom se neko odluci na putovanja.
-
Slazem se, ali moram da primetim nesto. Milioni smrti od kovida nisu ljudima dovoljni da bi poceli da se cuvaju, ali jedna smrt od vakcine bi bila dovoljna da se nikad ne vakcinisu. Kako bi bilo lepo da su taj stav primenili posle vesti o prvoj smrti od kovida. Ali eto, to famozno 'nece mene' ne vazi za vakcinu kao sto vazi za virus
-
Ista stvar na 25. maju i Zemunskom keju. Celom duzinom keja mi kao da vezbamo brzo hodanje i slalom sa n95 maskama (nova forma trijatlona?), a ljudi, pa sa sigurno 90% bez maski, plus spori hod kao u The Walking Dead. Sve sto ima stolice i konobare pored reke je krcato, niko maske (ukljucujuci konobare). Distanca, dakle, nista, maske nista. Tako da bi trebalo praviti razliku propisane mere/postovane mere. Pa kad se pitamo kako ovakvi brojevi a kakve imamo mere, da znamo da je stanje na terenu skroz drukcije. Ada verovatno isto, Centar svakako isto. U autobusima ne znam, ono sto vidim kroz prozor ne uliva mnogo poverenja. I oni koji nose maske u dobrom procentu ih nose pogresno. Ali eto, valjda ce biti bolje za jedno mesec dana kad se zavrsi prvi kontingent revakcina i prodje jos desetak dana da se izgradi imunitet.
-
https://www.theatlantic.com/health/archive/2020/08/coronavirus-will-never-go-away/614860/ O ovome smo vec pisali letos (i gornji tekst je od letos), ali me je skori tekst podsetio da ovo ponovo postavim. Evo ga taj novi: https://www.theatlantic.com/health/archive/2021/02/herd-immunity-might-be-impossible-even-vaccines/617973/ Pitam se da li je neko naisao na novije procene o tome kakve su perspektive eliminisanja virusa. Evo jedan pasus iz prvog linka: In fact, virologists have wondered whether the common-cold coronaviruses also got their start as a pandemic, before settling in as routine viruses. In 2005, biologists in Belgium studied mutations in the cold coronavirus OC43, which likely evolved from a closely related coronavirus that infects cows. Because genetic mutations accumulate at a somewhat regular rate, the researchers were able to date the spillover from cows into humans to the late 1800s. Around this time, a highly infectious respiratory disease was killing cows, and even more curiously, in 1889, a human pandemic began killing people around the world. The older people were, the more susceptible they were. This illness, which produced “malaise, fever, and pronounced central nervous system symptoms,” was linked to influenza based on the antibodies found in survivors half a century later. But the cause was never definitively proved from tissue samples.
-
'Ne znam cime ce se voditi treci svetski rat, ali znam da ce se cetvrti voditi kamenjem i prackama'. Pripisuju ovo Ajnstajnu, ne znam da li je tacno. Palo mi je na pamet kad gledam ove brojke. Mozda sad krece cetvrti talas. Ne znam koliko ce dugo trajati, ali nadam se da nece biti petog (jer ne vidim kuda vise moze da se siri, a jos ide lepo vreme).