Mutations

Upper respiratory symptoms similar to a cold are growing more prevalent among persons infected with COVID-19, docs say

Thu, 2021-07-01 15:07 — mike kraft

Are your sniffles the result of a common cold, or could it be Covid? Doctors say even fully vaccinated people need to pay attention to Covid-19 symptoms, such as headache and congestion. NBC News

Doctors are beginning to notice Covid-19 cases that look more like a very bad cold, especially in areas of the country where the highly contagious delta variant is quickly spreading.

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Indonesia faces coronavirus catastrophe , Red Cross warns.

Wed, 2021-06-30 23:30 — mike kraft

Red Cross warns Indonesia faces coronavirus catastrophe JAKARTA, Indonesia (AP) — Indonesia needs to urgently increase medical care, testing and vaccinations as the number of new infections in the country has rapidly increased and left it “on the edge of a COVID-19 catastrophe,” the Red Cross said Tuesday. AP NEWS

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COVID-19 now surging in vulnerable Africa rural areas

Wed, 2021-06-30 23:23 — mike kraft

Virus infections surging in Africa's vulnerable rural areas ZVIMBA, Zimbabwe (AP) — For Pelagia Bvukura, who lives in a rural part of north-central Zimbabwe, COVID-19 had always been a “city disease,” affecting those in the capital, Harare, or other, distant big towns. AP NEWS

ZVIMBA, Zimbabwe (AP) — For Pelagia Bvukura, who lives in a rural part of north-central Zimbabwe, COVID-19 had always been a “city disease,” affecting those in the capital, Harare, or other, distant big towns.

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Africa

Conakry

Democratic Republic of the Congo

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ANALYIS: COVID Delta variant takeover in U.K. offers a warning, and some hope

Wed, 2021-06-30 14:22 — mike kraft

COVID Delta variant takeover in U.K. offers a warning, and some hope Britain, where the strain already accounts for 99% of new cases, can offer some useful insight into battling the highly-transmissible variant first detected in India. cbsthismorning

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Delta variant continues to spread, prompting new restrictions worldwide

Tue, 2021-06-29 17:41 — mike kraft

Spread of delta variant prompts new restrictions worldwide The new curbs on travel and daily life stretched from Australia and Bangladesh to South Africa and Germany. The World Health Organization urged faster deployment of coronavirus vaccines. Erin Cunningham Washington Post

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Moderna says COVID-19 vaccine performed well in a small lab study against delta variant

Tue, 2021-06-29 16:44 — mike kraft

Moderna says COVID-19 vaccine performed well in a lab against delta variant Moderna's COVID-19 vaccine performed well in a lab setting against variants of the virus, including the rapidly spreading and highly contagious delta variant first found in India, the company Nathaniel Weixel TheHill

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Russia's Sputnik V vaccine only slightly less effective against Delta variant, developers say

Tue, 2021-06-29 16:11 — mike kraft

Russia's Sputnik V shot around 90% effective against Delta variant, developers say Russia's Sputnik V vaccine against COVID-19 is around 90% effective against the highly contagious Delta variant of coronavirus, its developers said on Tuesday. Reuters Staff U.S.

MOSCOW (Reuters) -Russia’s Sputnik V vaccine against COVID-19 is around 90% effective against the highly contagious Delta variant of coronavirus, its developers said on Tuesday.

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Three studies offered fresh evidence that widely used vaccines will continue to protect people against the coronavirus for long periods

Tue, 2021-06-29 13:36 — mike kraft

Three scientific studies released on Monday offered fresh evidence that widely used vaccines will continue to protect people against the coronavirus for long periods, possibly for years, and can be adapted to fortify the immune system still further if needed.

Most people immunized with the mRNA vaccines may not need boosters, one study found, so long as the virus and its variants do not evolve much beyond their current forms — which is not guaranteed. Mix-and-match vaccination shows promise, a second study found, and booster shots of one widely used vaccine, if they are required, greatly enhance immunity, according to a third report.

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Study indicates mix-and-match Covid vaccine approach boosts immune response

Tue, 2021-06-29 13:26 — mike kraft

Mixing different types of Covid vaccines can boost immune response, study finds Some European countries have started offering alternatives to AstraZeneca as a second shot after the vaccine was linked to rare blood clots. NBC News

A mixed schedule of vaccines where a shot of Pfizer's Covid-19 vaccine is given four weeks after an AstraZeneca shot will produce better immune responses than giving another dose of AstraZeneca, an Oxford study said on Monday.

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mRNA Vaccines May Offer Lasting Protection, Study Finds

Mon, 2021-06-28 13:50 — mike kraft

A study finds that the Pfizer and Moderna vaccines could offer protection for years

The vaccines made by Pfizer-BioNTech and Moderna set off a persistent immune reaction in the body that may protect against the coronavirus for years, scientists reported on Monday.

The findings add to growing evidence that most people immunized with the mRNA vaccines may not need boosters, so long as the virus and its variants do not evolve much beyond their current forms — which is not guaranteed. People who recovered from Covid-19 before being vaccinated may not need boosters even if the virus does make a significant transformation.

“It’s a good sign for how durable our immunity is from this vaccine,” said Ali Ellebedy, an immunologist at Washington University in St. Louis who led the study, which was published in the journal Nature.

The study did not consider the vaccine made by Johnson & Johnson, but Dr. Ellebedy said he expected the immune response to be less durable than that produced by mRNA vaccines.

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