After a five-day quarantine, about a third of people infected with SARS-CoV-2 might still be infectious, according to new data. In other news, according to research published in the Journal of Primary Care & Community Health, e-cigarette users infected with the coronavirus may be more likely than infected non-vapers to experience COVID-19 symptoms

The U.S. Food and Drug Administration added another warning to the regulatory agency’s fact sheet for Johnson & Johnson’s COVID-19 vaccine. In other news, as the Omicron variant rips through the United States, top health officials have noted that the variant is so contagious that if you come into contact with it, you are likely to catch it.

President Joe Biden and top health officials on January 11 defended the government’s response to the unrelenting pandemic as daily U.S. COVID-19 cases reached a new high, largely fueled by the highly contagious Omicron variant.

Children of the COVID era flocked back to school in various nations on January 10 as the Omicron strain spread exponentially and tennis superstar Novak Djokovic’s battle to play laid bare global passions over vaccines.

COVID-19 hospitalizations in the United States were poised to hit a new high as early as January 7, according to a Reuters tally, surpassing the record set in January 2021 as the highly contagious Omicron variant fuels a surge in infections.

The United States reported nearly 1 million new coronavirus infections on January 3, the highest daily tally of any country in the world and nearly double the previous U.S. peak set one week earlier as the spread of the Omicron variant showed no signs of slowing.

The Biden administration is finalizing contracts for 500 million rapid COVID-19 tests that it plans to distribute for free to Americans who request them, spokeswoman Jen Psaki said on January 4.

Part of what is being discovered about the Omicron variant of Covid-19 is how fast it appears to infect people, a median of about three days, compared to four or five with other variants.

Covid-19 antibodies passed from infected mothers to their breastfeeding newborns provide more benefit to the baby than researchers expected to see, according to a report published on November 3 in JAMA Network Open. In other research, among people with impaired immune systems, some get less benefit than others from the mRNA Covid-19 vaccines while new data help clarify the differences and supports the need for extra shots.

Covid-19 deaths and infections declined across the Americas for an 8th consecutive week, the Pan American Health Organization (PAHO) said on Nov. 3, warning that a very high percentage of hospitalized cases now are unvaccinated people.