Reinfections are rare, some Covid ‘long haulers’ respond to vaccines: The week in coronavirus news.


New research attempting to higher perceive the coronavirus and its results have come in this week.

A big research in Denmark discovered that the overwhelming majority of people that get better from Covid-19 remain shielded from the virus for at least six months, researchers reported on Wednesday. Reinfections can occur, however they are uncommon. The research means that immunity to a pure an infection is unpredictable and uneven, and it underscores the significance of vaccinating everybody — particularly older individuals, consultants stated.

“You can certainly not rely on a past infection as protecting you from being ill again, and possibly quite ill if you are in the elderly segment,” stated Steen Ethelberg, an epidemiologist at Statens Serum Institut, Denmark’s public well being company.

Scientists have stated that reinfections are possible to be asymptomatic or delicate as a result of the immune system will suppress the virus earlier than it could do a lot harm. The researchers additionally didn’t assess the potential for reinfection with newer variants of the virus.

New analysis has additionally begun finding out the consequences of the vaccine on sufferers with long-term Covid-19 signs. It is simply too quickly to inform whether or not the photographs have a broad useful impact on sufferers with persevering with points, generally often known as “long-haulers,” however scientists are intrigued in the phenomenon after sufferers in the United States and Britain have reported alleviated symptoms after receiving the second dose of the vaccine.

Dr. Daniel Griffin, an infectious illness doctor at Columbia University, stated about 40 p.c of the long-term Covid sufferers he’s been treating cite symptom enchancment after the vaccine.

And this month, a small study by British researchers that has not but been peer reviewed discovered that eight months after individuals have been hospitalized for Covid-19, those that have been vaccinated skilled enchancment in extra lengthy Covid signs than those that weren’t but vaccinated. The 44 vaccinated sufferers in the research have been older and had extra underlying medical circumstances, since individuals with these traits certified for vaccines earlier.

Additional data comes from two surveys of a number of hundred individuals with lengthy Covid signs, lots of whom have been by no means hospitalized for the illness.

Here’s what else we realized this week:

  • Who can get vaccinated and who can not? Around the world, eligibility necessities differ drastically. Age is a defining requirement in most locations, however revenue and connections can be far more important in others.

  • Prisons in the United States have been laborious hit by the coronavirus, however a state-by-state patchwork of vaccine guidelines has left prison inmates with different outlooks even because the Centers for Disease Control and Prevention has advisable prioritizing them.



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