Researchers found a link between mild Covid infections impaired hippocampal neurogenesis, decreased oligodendrocytes and myelin loss in mice one week after infections persisting until at least seven weeks leading them to conclude that even those with mild symptoms in the acute phase may experience lasting cognitive dysfunction.

​​The number of recent influenza cases is typical for this time of year, but the last time flu cases reached this level was before the coronavirus pandemic began.

Covid accounted for 14 percent of all deaths in the United States from March 2020 until all adults became eligible for the vaccine in April, compared with 11 percent of deaths since then.

In our 2020 commissioned survey, 60% of respondents said that current public investment in mental health research is not enough. This is a 9% increase, up from 51% in 2018.

Nepal has halted Covid-19 vaccinations in children ages 12 to 17 in eight districts because of a shortage of syringes.

At least 2,400 more flights were canceled globally on Monday, including about 900 U.S. flights.

Nicholas Christakis is director of the Human Nature Lab at Yale University and author of the bestseller "Apollo’s Arrow." He speaks with Hari Sreenivasan about the next phase of the pandemic based on previous pandemics.

Molnupiravir was associated with a decreased the risk of hospitalization from Covid-19 by only 30%, compared to a reduction of almost 90% with Pfizer's PAXLOVID. The FDA advisory committee also limited its use in non-pregnant adults because of their concerns about the potential risk of mutations in human DNA.

A computational biologist thinks potentially half the globe may contract Omicron over the coming weeks and months.

The omicron wave appears to have peaked and is already subsiding in South Africa, with a relatively minor impact on their healthcare system. However, the positive rate is still around 29%, suggesting high circulation among their population. other fluctuations.

Omicron is now the most common variant among new Covid cases in the U.S., accounting for nearly three-quarters of new infections.

The Netherlands is requiring all nonessential businesses to close until at least January 14 to reduce transmission of omicron.

Research shows an increased potential for spread through aerosols.

Pfizer and BioNTech are testing a third dose of a Covid vaccine for young children. The third dose is a lower amount than the adult doses.

The agency’s advisers cited concerns about the increased incidence of a rare but potentially serious blood clotting condition among those who received the company’s shot.

A new CDC study found that the percentage of obese children and teens increased to 22%, compared to 19% before the pandemic. It also found that expected annual weight gain ranged from 5 to 15 pounds.

This report examines attitudes and views of parents as children head back to school amidst the rise in COVID-19 cases due to the delta variant. Nearly half of parents of children ages 12-17, who ar…

The anti-vax fertility panic, explained.

The collective action by student residential staff is a significant escalation with the University just over a week before frosh are set to arrive on campus.

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Cases have been reported in the United States, Colombia, Japan, South Korea and parts of Europe.

Vaccination requirements are appearing in sectors such as software development and marketing that typically didn’t mandate vaccines.

Coronavirus cases that send vaccinated people to the hospital or cause death have been relatively rare, a New York Times analysis of state data shows.

Provincetown, Mass., the quirky community at the tip of Cape Cod, thought it was safe to return to prepandemic partying. It wasn’t.

In a Times simulation, we modeled Delta-driven Covid outbreaks in two communities, one with a high vaccination rate and another with a low rate. Their levels of serious illness and death were starkly different.

As another heat wave builds in the U.S. Northwest, a New York Times analysis has found that recent scorching temperatures in the area may have been more lethal than officially reported.

Back-alley firms meddle in elections and promote falsehoods on behalf of clients who can claim deniability, escalating our era of unreality.

A variant discovered in Colombia is now showing up in South Florida hospitals. Time and vaccination efforts will determine how quickly it could spread, experts say.