What is long covid?

I’ve been getting questions about long covid and my standard answer has been that I don’t think it’s any different from post-viral syndrome, a condition that affects some people after a viral infection but that usually clears up within a few months. I’ve been generally sceptical of claims of long covid as some distinct entity for a couple of reasons.

First, it’s generally impossible to … Read more

How much do statins prolong life?

One problem with all the trials of statins is that they look at the probability of still being alive after x years. But that’s not really the question patients want answered. Patients want to know how much longer they can expect to live if they take a statin every day for the rest of their lives. Is it weeks? months? years? decades?

Considering that statins … Read more

Does lockdown prevent covid deaths?

A very interesting article was recently published in Lancet that sought to understand which factors correlate, on a country level, with covid related outcomes. The study was observational, so it can only show correlation, not causation, but it can still give pretty strong hints as to which factors protect people from covid, and which factors increase the risk of being harmed.

The most interesting thing … Read more

How accurate are the covid tests?

One of the most frequent questions I’ve been getting recently is how accurate I think the covid tests are, and in particular the PCR tests. As it happens, a systematic review has recently been published in Evidence Based Medicine that looks at the covid tests (both PCR and antibody), so I thought it would be interesting to look in to the evidence together. This article … Read more

A history of the Swedish covid response

The Swedish response to the covid pandemic has become one of the most talked about topics of the last six months, and there’s a lot of misinformation floating around. Since that’s the case, and since I keep getting asked what the situation on the ground is really like in Sweden, I figured I’d write up a little history, covering the key events from a Swedish … Read more

Covid-19: A Swedish care home doctor’s perspective

This is a guest post written by a colleague who works as a care home doctor in a small Swedish town. In other words, he is responsible for the wellbeing of frail elderly people living in care homes. He has treated a lot of patients with covid-19. Since the situation may be different in some other countries, I think it is useful to know before … Read more