Passover, or Pesach, begins on Wednesday evening at sundown and lasts until April 16th. But how does one celebrate Passover during a lockdown? If you are at home alone, you might have to ask the four questions yourself, no matter how old you are. Finding the proper food may be difficult, but the concept of pikuach nefesh may apply.
Chabad.org has a roundup of information on how to celebrate Passover while social distancing.
Metafilter has links on how to host a virtual Seder or join one online.