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CDC
How COVID-19 Spreads
COVID-19 and Your Health
Updated May 7, 2021

“The Centers for Disease Control and Prevention now states explicitly — in large, bold lettering — that airborne virus can be inhaled even when one is more than six feet away from an infected individual. The new language, posted online, is a change from the agency’s previous position that most infections were acquired through “close contact, not airborne transmission.””
 
CDC
When You’ve Been Fully Vaccinated
How to Protect Yourself and Others
Updated May 13, 2021
COVID-19 Vaccination

Choosing Safer Activities

(BBM)
  • If you are fully vaccinated, you can resume activities that you did prior to the pandemic.
  • Fully vaccinated people can resume activities without wearing a mask or physically distancing, except where required by federal, state, local, tribal, or territorial laws, rules, and regulations, including local business and workplace guidance.
  • If you haven’t been vaccinated yet, find a vaccine.
 
Airborne transmission of respiratory viruses | Science

Mechanisms of airborne transmission
The COVID-19 pandemic has highlighted controversies and unknowns about how respiratory pathogens spread between hosts. Traditionally, it was thought that respiratory pathogens spread between people through large droplets produced in coughs and through contact with contaminated surfaces (fomites). However, several respiratory pathogens are known to spread through small respiratory aerosols, which can float and travel in air flows, infecting people who inhale them at short and long distances from the infected person. Wang et al. review recent advances in understanding airborne transmission gained from studying the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections and other respiratory pathogens. The authors suggest that airborne transmission may be the dominant form of transmission for several respiratory pathogens, including SARS-CoV-2, and that further understanding of the mechanisms underlying infection from the airborne route will better inform mitigation measures.
 
WHO says Covid will mutate like the flu and is likely here to stay

“”People have said we’re going to eliminate or eradicate the virus,” Ryan said. “No we’re not, very, very unlikely.”

If the world had taken early steps to stop the spread of the virus, the situation today could have been very different, WHO officials said.

“We had a chance in the beginning of this pandemic,” Maria Van Kerkhove, the WHO’s technical lead on Covid-19, said Tuesday. “This pandemic did not need to be this bad.”


106553902-15905961992020-05-03t000000z_392955759_rc24hg9p1seb_rtrmadp_0_health-coronavirus-who-ryan.jpeg

Executive Director of the World Health Organization’s (WHO) emergencies program Mike Ryan speaks at a news conference on the novel coronavirus (2019-nCoV) in Geneva, Switzerland.
 
COVID-19 deaths surpasses Spanish flu deaths in U.S.

9/24/21

NASHVILLE, Tenn. (WKRN) — We have hit an unwanted milestone. COVID-19 has now killed more Americans than the 1918 Spanish flu, making this our country’s deadliest pandemic.

If history has taught us anything, it’s that it often repeats itself.

“In some ways, these two things are really quite similar, in that people were sort of surprised that this was happening here in Nashville,” says Dr. Carole Bucy, Davidson County historian.

She reflects on the wave of flu infections that swept over the town in 1918. She says the way people reacted then versus now is starkly different.

“There was no evidence in the newspapers and the accounts of the 1918 to 19 flu, that showed any politicalizing,” Bucy says. “The country very much wanted to unite, because everyone knew that it was not just a localized thing it had spread around the world.”

Accustomed to combatting widespread disease, the community essentially closed for three weeks without question.

“In the interest of containing the disease, they asked all the churches to close. They closed the schools and the movie theaters for a few short weeks,” she continues, “but it wasn’t for six months, nine months, anything like that.”

Masks went on and quarantines happened regularly.

“A sign was put on your house or something to notify people, even the postal delivery person ‘don’t stop at this house.'”

Outbreaks occurred in large gatherings.
 
AAAS
Safe traveling in public transport amid COVID-19
Mandatory wearing of masks and practicing social distancing with masks during peak hours reduced infection rates by 93.5 and 98.1%, respectively.
 
Dissecting the early COVID-19 cases in Wuhan
MICHAEL WOROBEY
SCIENCE• 18 Nov 2021• First Release• DOI: 10.1126/science.abm4454
science.org

“Abstract
Elucidating the origin of the pandemic requires understanding of the Wuhan outbreak

Some key questions lie at the heart of investigations into the origin of the COVID-19 pandemic, including what is known about the earliest COVID-19 cases in Wuhan, China, and what can be learned from them? Despite assertions to the contrary (1), it is now clear that live mammals susceptible to coronaviruses, including raccoon dogs (Nyctereutes procyonoides), were sold at Huanan Market and three other live-animal markets in Wuhan before the pandemic (2, 3). Severe acute respiratory syndrome–related coronaviruses (SARSr-CoVs) were found in raccoon dogs during the SARS outbreak, which was facilitated by animal-to-human contact in live-animal markets in China. However, because of the early public health focus on Huanan Market, it remains unclear whether the apparent preponderance of hospitalized COVID-19 cases associated with this market was truly reflective of the initial outbreak. Answering these questions requires resolving several crucial events that took place in December 2019 and early January 2020........”

continued
 
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