Daily #covid19 sitrep from @WHO is up (numbers as of 10am Geneva time):

China:
80174 (+206) cases
2915 (+42) deaths

Outside China:
8774 (+1598) cases
in 64 (+6)countries
128 (+24) deaths

New countries: Armenia, Czechia, Dominican Republic, Luxembourg, Iceland, Indonesia
@WHO Good news first: Hubei Province reported only 196 new #covid19 cases. So hopefully the increase in cases in last two days was not sign of a resurgence (yet). Only 10 cases in rest of China. Everyone will be looking closely at those numbers over coming days and weeks of course.
@WHO Rest of the world looking a lot worse:
Italy: +561 cases
S Korea: +476
Iran: +385
Germany: +72

Since a lot of people are following these numbers now, I want to make clear that they are not created equally.
@WHO Iran may have posted less new #covid19 cases than Italy and S Korea, but it is still the most concerning (to me, anyway). The number of deaths (54) and the many exported cases popping up everywhere suggest there is a huge epidemic underway. Last thing that region needs.
@WHO South Korea may have huge increase in cases, but as @DrTedros said in press conference today, most of those cases are part of 5 known clusters. And number of deaths compared to cases, looks much more like they are finding most cases through aggressive testing.
@WHO @DrTedros And what’s up with numbers from US, @WHO? 0 new cases reported again. Are they not sharing numbers?

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More from @kakape

Feb 22
“We provide evidence that Omicron BA.2 reinfections do occur shortly after BA.1 infections but are rare”

Interesting preprint from Denmark looking at 47 cases of BA.2 infections coming shortly after BA.1 infection.

.medrxiv.org/content/10.1101/2022.02.19.22271112v1.full.pdf
Of these 47 cases:
42 (89%) were not vaccinated,
3 (6%) were vaccinated twice,
2 (4%) had one vaccination.

For comparison: In Denmark on the whole:
81% are vaccinated twice and 62% have received the booster.
None were hospitalized or died in follow-up period.
"Detailed information of symptoms was obtained for 33 of the cases, whereof most of them reported symptoms during both infections … The distribution of reported symptoms did not differ markedly between the two infections"
Read 8 tweets
Feb 21
I attended a little roundtable today with key people at @WHO ahead of this week’s 3rd #COVID19 Global Research and Innovation Forum. There was no news, but some interesting comments so a quick thread:
England dropping all restrictions came up of course.
“It's a period of great uncertainty”, @DrMikeRyan said.
“I think a lot of people even in the UK are choosing to wear their masks indoors, are choosing to wear their masks on public transport.”
“Whether their governments continue to mandate that activity is an issue for national policy. But I certainly know from my own perspective, I'll be wearing my mask on public transport and indoor spaces probably for a good while yet”, @DrMikeRyan said.
Read 17 tweets
Jan 18
After spending many weeks reporting on #omicron, I spent the first two weeks of 2022 having omicron.
It inevitably feels like a defeat of sorts after two years of avoiding the virus. But I’ve studied infectious diseases long enough to know that’s not helpful - or even the point.
Like many vaccinated and boostered people, I experienced a mild infection.
Of course I wonder what the experience would have been like with no prior immunity at all.
I’m privileged. I got three doses. One third of the world population has gotten zero doses so far.
Delivery of vaccines to low- and middle-income countries has been picking up and COVAX recently delivered its one billionth dose.
That’s good news.
But the way we have handled global access to vaccines overall has been bad.

Read 5 tweets
Jan 12
"Last week, more than 15 million new cases of COVID-19 were reported to @WHO from around the world, by far the most cases reported in a single week. And we know this is an underestimate”, says @DrTedros.
“This huge spike in infections is being driven by the Omicron variant."
@WHO @DrTedros "However, the number of weekly reported deaths has remained stable since October last year, at an average of 48,000 deaths a week”, says @DrTedros.
“While the number of patients being hospitalized is increasing, in most countries, it's not at the level seen in previous waves."
@WHO @DrTedros "This is possibly due to the reduced severity of Omicron as well as widespread immunity from vaccination or previous infection”, says @DrTedros.
BUT: "while Omicron causes less severe disease than Delta, it remains a dangerous virus, particularly for those who are unvaccinated."
Read 20 tweets
Jan 6
"Last week, the highest number of #COVID19 cases were reported so far in the pandemic - and we know for certain that this is an underestimate”, says @DrTedros in WHO presser.
While Omicron appears less severe than delta, that does not make it “mild”, he says.
@DrTedros "Just like previous variants Omicron is hospitalizing people and it's killing people”, says @drtedros.
"In fact, the tsunami of cases is so huge and quick that it is overwhelming health systems around the world. Hospitals are becoming overcrowded and understaffed."
@DrTedros “First-generation vaccines may not stop all infections and transmission, but they remain highly effective in reducing hospitalization and death from this virus”, says @drtedros.
That is why other measures are needed too, he says.
Read 8 tweets
Dec 30, 2021
One of the complexities in talking about #omicron is that we are constantly talking about the variant’s properties on two levels:
in a naive population and in an immune population (in reality many populations with different levels of immunity)
That matters.
Take transmissibility:
It’s been clear from watching #omicron that it spreads faster than delta.
But from the beginning the question has been: Is that because it can infect people delta can’t? Or is it inherently more transmissible?
If you look at the UK’s risk assessment of #omicron for instance, you can see that that question is still not settled:
"there is no clear epidemiological demonstration of transmissibility as distinct from other contributors to growth advantage”
assets.publishing.service.gov.uk/government/upl…
Read 12 tweets

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