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During the last few months, many health experts have been talking about reaching “herd immunity” with the distribution of the COVID-19 vaccine. Over the Christmas weekend, Dr. Anthony Fauci said he estimates the country needs to reach 80-85% with the vaccine to attain herd immunity.Here’s what that means.Herd immunity is a concept used in discussions about vaccination, and signifies the threshold needed for a population as a whole to be protected from a virus.The World Health Organization clarifies that herd immunity, or population immunity, “is achieved by protecting people from a virus, not by exposing them to it.”The Mayo Clinic also describes the situation following the 1918 Spanish Flu outbreak. They say people who survived the pandemic were later immune to infection of the H1N1 flu, also referred to as swine flu.Health experts warn that relying on community infection to create herd immunity could be dangerous; there are questions about how long the antibodies created by infection protect against reinfection, and a high level of community infection could lead to overwhelmed medical facilities and a high number of deaths.When the threshold of herd immunity is reached, it means the vast majority of a population is vaccinated and has antibodies, thereby lowering the overall amount of community spread of the virus. It also means portions of the population who cannot get vaccinated are kept safer by the limited spread.What that threshold is varies depending on the virus and the efficacy of the vaccine.According to the WHO, herd immunity against the measles is reached with 95% vaccination, while herd immunity against polio is 80%.Dr. Fauci believes herd immunity for COVID-19 can be reached with around 85% of the population having antibodies. 1778

EL CAJON, Calif. — The end of a partnership between a police K9 and his handler created an emotional moment in California.One of the El Cajon Police Department’s K9s, K9 Jester, is being assigned a new partner after his current partner resigned from the department.After working with Jester for the last two and a half years, Officer Jordan Walker voluntarily resigned to work for another agency, according to the department. Walker said he offered to pay for Jester, who was brought in through a Ben Roethlisberger?Foundation grant. K9s cost anywhere from ,000 to ,000 to bring in and train, according to the foundation.Because Jester is still in excellent health, he was assigned to work with a new partner, Officer Randall Gray. Gray and Jester have already started the bonding process and training together, the department said Thursday. Once the pair completes the academy, Jester will again resume his service.El Cajon police Thursday tweeted out a photo of Gray and Jester together.  1043

EL CAJON (CNS) - A man was struck and killed by an SUV as he crossed a street in El Cajon, police said today.The man, believed to be 50 to 60 years old, was pronounced dead at the scene, Lt. Stephen Kirk of the El Cajon Police Department said.The motorist is cooperating with police and investigators do not believe drugs or alcohol were a factor, Kirk said. Police said the man was crossing Jamacha Road at the intersection with Granite Hills Drive at 10:15 p.m. Saturday and was struck by a 38-year-old El Cajon woman driving a 2019 Bentley SUV north on Granite.At the time of the collision, the man was walking outside the crosswalk, police said.The crash remains under investigation and Jamacha Road is expected to be closed in both directions between Granite Hills Drive and Washington Avenue until at least 4 a.m.The El Cajon Police Department is asking anyone with information to call 619- 579-3311. 914

EL CAJON, Calif. (KGTV) - Meridian Baptist Church in El Cajon is working to put up a handful of so-called emergency sleeping cabins on their property.“They are different from tiny homes,” Pastor Rolland Slade said, pointing out that they don’t have running water or a kitchen. “They are essentially a shelter for someone living in homelessness to actually sleep behind a locked close door and be comfortable.”Slade says they have bathrooms on the property as well as a kitchen. They are looking to install a shower or perhaps bring them in through outside organizations.The emergency cabins are 144 sq feet, of which 96 square feet is livable space.“The village we are looking to build is going to focus on veteran women with children who are living in homelessness in El Cajon,” Slade says.Slade says they will find their clients through organizations that work with the homeless. The homes are not meant to be permanent housing, and families will be allowed to stay for 90 days.The church is working with a group called Amikas, as well as the city.El Cajon city officials have given the pilot program the green light through December 31, 2023. However, city officials say “permits are required, and the “emergency housing” must be operated by an organization experienced/proficient.”There is one cabin on the property. It is not occupied and is used as a demo. Slade hopes to get a total of six up in the next four to six months. They are working on fundraising efforts to build the cabins. 1500

DOHA, Qatar (AP) — The United States and the Taliban have signed a peace agreement aimed at ending the 18-year war in Afghanistan, America's longest. The signing could help President Donald Trump fulfill a key campaign promise to extract America from its “endless wars.” Under the agreement, the U.S. will begin withdrawing thousands of troops in exchange for Taliban commitments to prevent Afghanistan from being a launchpad for terrorist attacks.If the Taliban meet their commitments, all U.S. troops would leave in 14 months. The U.S. invaded Afghanistan after the Sept. 11, 2001 attacks to overthrow the Taliban, who had hosted Osama bin Laden and al-Qaida as they planned and celebrated the assault.The agreements are considered the first step for talks with Afghan factions, which are likely to be complicated. Under the agreement, the Afghan government would release 5,000 Taliban fighters, but it's unclear whether the government will do that. It's also unclear whether those fighters will abide by any peace deal, the Associated Press reported.The complete withdrawal of American troops would not depend on any specific outcome in talks between Taliban and other Afghan factions, the AP reports.In Qatar, U.S. Secretary of State Mike Pompeo met with the Taliban, where the group has a political office, but did not sign the agreement. The agreement was signed by U.S. peace envoy Zalmay Khalilzad and Taliban leader Mullah Abdul Ghani Baradar.Pompeo told reporters that the U.S. is “realistic” about the deal, but is “seizing the best opportunity for peace in a generation.”The Associated Press contributed to this report. 1639